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DT BREAKFAST PHYSICS QUESTIONS
⤵️😜
51) Find the work done in moving a 2C charge between two points X and Y in an electric field if the potential difference is 100 volt.
A. 50J
B. 100J
C. 200J
D. 400J
Answer
W = qV
= 2×100 = 200J

52) Two parallel plates at a distance of 8.0 x 10-³m apart are maintained at a p.d of 600 volts with the negative plate earthed. What is the electric field strength?
A. 4.8 V/m
B. 75.0V/m
C. 4800.0V/m
D. 75000.0V/m
Answer
E = v/d = 600/8×10-³
= 75000v/m

53) Calculate the electric field intensity between two plates of potential difference 6.5V when separated by a distance of 35cm.
A. 18.57NC⁻¹
B. 53.06NC⁻¹
C. 2.28NC⁻¹
D. 0.80NC⁻¹
Answer
E = v/d = 6.5/0.35
= 18.57N/c

54) Calculate the force acting on an electron of charge 1.6 x 10-¹⁹C placed in an electric field of intensity 10⁸Vm-¹
A. 1.6 x 10-11N
B. 1.6 x 10-14N
C. 1.6 x 10-16N
D. 1.0 x 10-16N
Answer
Use F = qE

55)What is the relative permitivity of a capacitor if its capacitance with a medium as dielectric is 16 farads and its capacitance with vacuum as dielectric is 2 farads?
A. 0
B. 1/2
C. 2
D. 8
E. 32

56) The purpose of a dielectric material in a parallel plate capacitor is to?
A. Increase its capacitance
B. Decrease its capacitance
C. Insulate the plate from each other
D. Increase the magnetic field between the plates
Answer
The dielectric is inserted between the plates of a capacitor in order to insulate the plates from one another.

57) A capacitor 8F is charged to a potential difference of 100V. The energy stored by the capacitor is?( Give only the base part of your answer)
A. 1.0J
B. 8.0J
C. 1.25J
D. 4.0J

58) A parallel plate capacitor of area 10cm² in vacuum has a capacitance of 10-²F. What is the distance between the plates?(ε₀ = 9 x 10-12fm)

A. 9 x 10-¹³m
B. 9 x 10-⁷m
C. 9 x 10-³m
D. 9 x 10⁷m

59) A capacitor of 10µF is connected across a cell of 12 volts. Calculate the energy stored in the capacitor
A. 7.2 x 10-⁴J
B. 1.4 x 10-³J
C. 1.4 x 10-³J
D. 1.2 x 10-²J
Answer
E = ½Cv²
= ½×10×10-⁶×12²
= 7.2×10-⁴J

60) Which of the following is true?
A. The force of attraction between charges in a vacuum is less than that in a medium
B. The force of attraction between charges in a vacuum is negligible
C. The force of attraction between charges in a vacuum is equal to that in a medium
D. The force of attraction between charges in a vacuum is greater than that in a medium

61) The absolute refractive indices of glass and water are 3/2 and 4/3 respectively. The refractive index at the interface when a ray travels from water to glass is?
A. 1/2
B. 8/9
C. 17/12
D. 9/8
E. 2
Answer
The refractive index at the water to glass interface becomes 3/2 × (1÷4/3)
= 3/2 × 3/4
= 9/8

62) Capacitors are used in the induction coil to?
A. Control circuits
B. Prevent distortion of electric fields
C. Prevent electric sparks
D. Dissipate energy
Answer
Capacitors are used to prevent electric Sparks in induction coils.

63) When a piece of rectangular glass block is inserted between two parallel capacitor,at constant plate area and distance of separation, the capacitance of the capacitor will?
A. Increase
B. Decrease
C. Decrease then increase
D. Remain constant

64) Which of the following is true?
A. The charge in a series arrangement of capacitors is constant
B. The charge in a parallel arrangement of capacitors is constant
C. The voltage in a series arrangement of capacitors is constant
D. None of the above

65) Two charges 30C and 10C are separated by a distance of 20cm. Compute the force on a 5×10-⁶C charge placed midway between them.
A)9×10⁷N
B)5.4×10⁷N
C)3.2×10⁷N
D)2.3×10⁷N
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DT BREAKFAST PHYSICS QUESTIONS
💯⤵️🤪
The physical quantity that has the same dimensions as impulse is A. Energy 8. Momentum C. Surface tension D. Pressure.
From Newton's Second Law of motion, change in momentum is directly proportional to impulse. For this reason, option B is correct

22) The inner diameter of a small test tube can be measured accurately using a A. Micrometer screw gauge B. Pair of dividers C. Metre rule D. Pair of vernier calipers.


23) Which of the following consists entirely of vector quantities? A. Velocity, magnetic flux and reaction B.Tension, magnetic lux and mass C. Displacement, impulse and power D. Work, pressure and moment
Velocity, magnetic flux and reaction forces are all vectors

24) Which of the following is a fundamental unit? A. Newton
B. Watt C. Joule D. Second

There are 7 fundamental units, part of them is seconds, the unit of time

25) What is the least possible error in using rule graduated in centimeters? A. 0.1cm B. 0.5cm C. 1.0cm D. 2.0cm

26)Which of the following quantities has the same unit as the watt? A. Force x time B. Force x distance C. Force × acceleration D. Force x velocity

27) The external and internal diameters of a tube are measured as (322)mm and (211) mm respectively. Determine the percentage error in the thickness of the tube. A. 27% B. 14% C. 9% D. 3%


28) Which of the following has a different dimension from the others?
A) Stress×Strain
B) Stress/Strain
C) Potential energy per unit volume
D) Torque
Explanation
For option A and B, Strain has NO UNIT. So Stress × Strain which is option A and Stress/Strain which is option B would give the same results which is N/m².
For option C, potential energy per unit volume is given as:
mgh/v
Simplifying this further, using the respective units, we have: kg×ms-²×m/m³ = kgs-²/m
Only option D, which is torque is different from the others. It's unit is Newton meters.

29) Which of the following units should be used for capacitance of a Capacitor?
A) kgm-²s²C²
B) kg-¹m-²s²C²
C) kg-¹m-²sC²
D) kg-¹m-²s²C

30) Which of these is used to measure luminous intensity?
A) Photocell
B) Photometer
C) Photon
D) Photoplate
Explanation
A photometer is used to measure luminous intensity
A photocell is used to generate electricity using the principle of photoelectric effect
A photon is the energy possessed by light.
So option B is correct
5) If x = at+bt², where x is the distance travelled by the body in kilometers, and t is the time in seconds, then the unit of b is?
A) km/s
B) km-¹s
C) km/s²✌️
D) km-²s
Explanation
x = at + bt²
Basically, when we have questions like this, we focus only the part where we can see the constant we're considering. In this case, that constant is b, so we have
x = bt²
b = x/t²
We're told that x is in km and t is in s, so
b = km/s²
C is correct

32) A force F is given by F = at+bt², what is the dimension of b?
A) MLT⁻³
B) MLT⁻⁴
C) M²LT
D) ML⁻³T
Explanation
Since we're considering the dimension of the constant b, we ignore at, so we have F = bt²
b = Ft²
The dimension of F is MLT-², the dimension of t is T
So, b = MLT-²/T²
b = MLT-⁴
B is correct
.
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DT BREAKFAST (ENGLISH QUESTION)
😋⤵️❤️🔥
1. Life is not a bed roses

A. with
B. of
C. for
D. off

2. My grandfather will come here __ a week

A. with
B. before
C. at
D. within

3. The work was completed ____ sunset

A. for
B. in
C. at
D. about

4. We are pleased ____ your visit

A. with
B. at
C. by
D. on

5. I shall meet you ___ 6 o'clock

A. by
B. at
C. in
D. during
OUR UTME Tutorial is currently ongoing, We are determined to help you blast your 2024 UTME, Don't miss this great opportunity. DM our secretary to join via https://wa.me/2349151886372?text=Hi+DT+secretary,+my+name+is---%2C+I%27m+interested+in+DT%27s+JAMB+Tutorials
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DT BREAKFAST (BIOLOGY DRILL)💫⤵️❤️🔥
♻️ How leaves are adapted to carryout photosynthesis effectively

📌 Stomata for gaseous exchange (largely found on the underside of the leaves, to minimize water loss through transpiration)

📌 Thin to allow gases to reach mesophyll cells quickly.

📌 Moist to allow gases to dissolve

📌 Waterproof cuticle to reduce water loss through transpiration

📌 Xylem to bring water and minerals up the stem of plant

📌 Phloem to carry away the product of photosynthesis from the leaves to other parts of the plant

📌 Large surface area of the leaf blade (lamina) allows a large amount of chloroplast to be exposed to sunlight

📌 Palisade mesophyll near top of the leaf to trap maximum sunlight

📌 Spongy mesophyll aids gaseous exchange

📌 The leaf stalk usually holds the lamina in the best possible position for the sun's rays to fall on it at right angles throughout the day

📌 Leaves arranged in space so as not to shade each other.
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DT BREAKFAST PHYSICS 📚📖💥

1. The expression MᵃLᵇTᶜ when a = 1, b = 2 and c = -2 is the dimension of
A. Force
B. Energy
C. Acceleration
D. Power

2. What is the dimension of resistance?
A. ML²T-³I²
B. MLT-³I-²
C. ML²T-³I-²
D. ML²T-³I-¹
E. None of the above

3. The unit "cycles per second" is the same as
A. watt
B. metres per second
C. hertz
D. radians per second

4. Which of the following quantities has the same unit as the kilowatt•hour?
A. Force x acceleration
B. Force x velocity
C. Force x distance
D. Force x time

5. Ampere hour is a unit of?
A. Quantity of electricity
B. Strength of electric current
C. Power
D. Energy
.
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DT BREAKFAST (CHEMISTRY QUESTION)💫⤵️💦📝
19. Which of the following turns like water milky

A. CO
B. NO2
C. CO2
D. N2O

20. The constituents of air necessary for the rusting process are.

A. O2 & H2O.
B. Ar & CO2
C. CO2 & H2O
D. O2 & CO2

21. Ca(OH)2 + 2NH4Cl → CaCl2 + 2H2O + X

In the equation above, X is

A. NO2
B. NH3
C. N2O
D. N

22. Mike oxidation of Propan-1-ol will produce

A. Propanone
B. Propanol
C. Propanoic acid
D. Propane

23. Sodium reacts with several elements, that is, it is highly reactive hence, it is stored under

A. Water
B. Mercury
C. Phenol
D. Paraffin

24. Fats and oil are classified as

A. Hydrocarbons
B. Carbohydrates
C. Alkanones
D. Alkanoates

25. Which of these increases from left to right of the period but decreases down the group of the periodic table
I. Ionization energy
II. Electron affinity
III. Electropositivity
IV. Atomic radius

A. I and II only
B. I and III only
C. II and IV only
D. III and IV
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🔥 36 days to go, Are you ready for 2024 JAMB??

-Don't miss DT ongoing March UTME tutorial for any reason
- We are set to teach the whole JAMB syllabus in March
- you will also have access to our past lectures and mocks worth 15k+ once you enrol for march.
Check the flyer for other details.
To enrol DM our secretary via-
https://wa.me/2349151886372?text=Hi+DT+secretary,+my+name+is---%2C+I%27m+interested+in+DT%27s+JAMB+Tutorials

See other great things you are missing below

-Access to past lectures and mocks worth 15k+
-Treating at least 200 UTME questions daily (over 8,000 pqs in total)
- 4hrs lecture daily
- 10 hours+ DSC/brainstorming with Dr. Joe
-covering the UTME syllabus in detailed within two months
-Access to 100+ JAMB recommended texts and past questions
-Over #100,000 cash prize is available to be won
- standard mock weekly with prizes available to be won
-Tricks and shortcuts to score 320+ with ease
-Follow up, guidance and mentorship
And lots more....

Don't joke with this great opportunity
_*DT BREAKFAST ENGLISH LANGUAGE QUESTION*_ ⤵️🔥🔥⤵️

_In the question below, fill the gap with the most appropriate option:_

*I am disappointed ____ you for your despicable attitude.*

A. In
B. At
C. By
D. With

_*EXPLANATION:*_

*Correct Option:* A

*💡 When speaking of someone's character, performance, etc, use "in."*

E.g

I am disappointed in you, son; I thought you could get better grades.

I am disappointed in you; I never expected you to lie to me.

*💡When speaking of an event, use "by."*

E.g

I was disappointed by what happened to you.

I was disappointed by my poor performance in the race.

I was disappointed by the concert; it was boring.

*💡When speaking about inanimate object or a situation, use "with."*

I am disappointed with my new clothes - the shirt shrank when I washed it and the shoes are uncomfortable.

He was disappointed with his purchases, so he returned everything.

*💡Disappointed at" is less common and generally not used in standard English for expressing disappointment.*

_Since "despicable attitude" speaks about someone's character, "in" will be the appropriate option._💫📍
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DT BREAKFAST (PHYSICS QUESTION)📝🔥🤍💫⤵️
Calculate the absolute pressure at the bottom of a lake at a depth of 32.8 m. Assume the density of the water is 1 x 10^3 kgm-3 and the air above is at a pressure of 101.3 kPa.

[Take g = 9.8 ms-2]
A. 422.7
B. 220.14
C. 464.53
D. 321.74

Explanation
h=32·8m, p= 1×103kgm−3


g=9·8 ms−2
, Pa
=101·3KPa

PT
= ?

P=hpg

⇒32⋅8×1×103×9⋅8
=321440 Pa


⇒321·44KPa

⇒ PT
=321.44+101.3

;PT
=422·7KPa
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Just click the link, you can watch it via any browser or on tiktok.

-Don't miss DT ongoing March UTME tutorial for any reason
- We are set to teach the whole JAMB syllabus in March
- you will also have access to our past lectures and mocks worth 15k+ once you enrol for march.
Check the flyer for other details.
To enrol DM our secretary via-
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DT DINNER 🥞 QUESTIONS (Maths)👇🕊️😋


1. Expand the expression:
(x²-2x-3)(x²+x+1)

A. x⁴-4x²-5x-3
B. -x³-4x² +5x-3
C. x⁴-x³-4x²-5x-3
D. x⁴-4x²-5x-3

Correct Answer: C
(x²-2x-3)(x²+x+1)
= x²(x²+x+1) - 2x(x²+x+1) -3(x²+x+1)
= x⁴ + x³ + x² - 2x³ - 2x² - 2x - 3x² - 3x - 3
= x⁴ - x³ - 4x² - 5x -3 🤝

2. The Interior angles of a pentagon are: 180°, 118°, 80°, 78°, and x°. The value of x is?

A. 75°
B. 108°
C. 120°
D. 84°

Correct Answer: D
no. of sides of polygon = 5
Sum of int. <s of a polygon = (n -2)180°
For a pentagon, (5-2)180° = 540°
x = 540° - (180° + 118° + 80° + 78°)
x = 84°
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1
*🔥Fresh*
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*🔥Goodnews*
JAMB exam is fast approaching, Do you want to score 320+ in 2024 UTME? If yes, then don't miss DT's 4 days FREE intensive chemistry/physics REVIVAL and MOCK. Join via https://wa.me/2347025521431?text=Hi+Dr+Joe,+my+name+is---%2C+I%27m+interested+in+DT%27s+4+days+chemistry+-+physics+REVIVAL+and+MOCK
2
🔥 32 days to go, Are you ready for 2024 JAMB??

-Don't miss DT ongoing March UTME tutorial for any reason
- We are set to teach the whole JAMB syllabus in March
- you will also have access to our past lectures and mocks worth 15k+ once you enrol for march.
Check the flyer for other details.
To enrol DM our secretary via-
https://wa.me/2349151886372?text=Hi+DT+secretary,+my+name+is---%2C+I%27m+interested+in+DT%27s+JAMB+Tutorials

See other great things you are missing below

-Access to past lectures and mocks worth 15k+
-Treating at least 200 UTME questions daily (over 8,000 pqs in total)
- 4hrs lecture daily
- 10 hours+ DSC/brainstorming with Dr. Joe
-covering the UTME syllabus in detailed within two months
-Access to 100+ JAMB recommended texts and past questions
-Over #100,000 cash prize is available to be won
- standard mock weekly with prizes available to be won
-Tricks and shortcuts to score 320+ with ease
-Follow up, guidance and mentorship
And lots more....

Don't joke with this great opportunity
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Check what Francis has to say about Distinction tutorial. Stay glue to my status to view some amazing testimonies.

Happy birthday to him. God bless his new age

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*🔥Fresh*
JAMB exam is fast approaching, Do you want to score 320+ in 2024 UTME? If yes, then don't miss DT's 4 days FREE intensive chemistry/physics REVIVAL and MOCK. Join via https://wa.me/2347025521431?text=Hi+Dr+Joe,+my+name+is---%2C+I%27m+interested+in+DT%27s+4+days+chemistry+-+physics+REVIVAL+and+MOCK
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*🔥Goodnews*
JAMB exam is fast approaching, Do you want to score 320+ in 2024 UTME? If yes, then don't miss DT's 4 days FREE intensive chemistry/physics REVIVAL and MOCK. Join via https://wa.me/2347025521431?text=Hi+Dr+Joe,+my+name+is---%2C+I%27m+interested+in+DT%27s+4+days+chemistry+-+physics+REVIVAL+and+MOCK
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*🔥Breaking news 🔥*

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Date- April 1st to April 19th
*Features*
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- Over #100,000 cash prize is available to be won
- Treating at least 200 UTME questions daily
- Revising the entire UTME syllabus
- At least 6 standard mock with prizes available to be won
- Access to 100+ JAMB recommended texts and past questions
- Tricks and shortcuts to score 320+ with ease
- Follow up, guidance and mentorship
- And lots more....
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*DO YOU KNOW?*
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_DT to the Globe 🌎🌎_🔥🔥🔥🔥🔥
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