Physics Spmnetic!โ„ข ๐Ÿ”ญ
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Mcm mana guys?senang tak๐Ÿ˜™
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Kalau nak ikutkan fizik bab tak banyak pun.. boleh lah f5 tu study sikit2
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Selamat menyambut hari kemerdekaan semua! ๐Ÿ‡ฒ๐Ÿ‡พ
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๐Ÿ’กPhysics with Heera

4.1 Force on a Current-carrying Conductor in a Magnetic Field

๐ŸงฒWhen a current-carrying conductor is placed in a magnetic field, the conductor will experience FORCE

๐ŸงฒDirection of the force depends on :
๐Ÿ”‹Direction of the current
๐Ÿ”‹Direction of the magnetic field

๐ŸงฒForce on a current-carrying conductor in a magnetic field is produced by?
๐Ÿ‘‰The interaction between 2 magnetic fields
โ— magnetic field from the electric current in the conductor
โ—magnetic field from the permanent magnet

๐Ÿซ‚The 2 magnetic fields combine to produce resultant magnetic field that is known as CATAPULT FIELD
๐ŸThe PATTERN of the catapult field = direction of the force acting on the conductor

What is Catapult field? (Pg 138)

๐Ÿ‘‰A resultant magnetic field produced by the interaction between the magnetic field from a current-carrying conductor and magnetic field from a permanent magnet

~ to be continued ~
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๐Ÿ’กFizik bersama Heera dan Hanis

4.1 - Daya ke atas konduktor pembawa arus dalam suatu medan magnet

๐Ÿงฒ Apabila konduktor pembawa arus diletakkan dalam suatu medan magnet, konduktor tersebut akan mengalami DAYA

๐Ÿงฒ Arah daya bergantung pada :
๐Ÿ”‹ Arah arus
๐Ÿ”‹ Arah medan magnet

๐Ÿงฒ Daya pada konduktor pembawa arus dalam medan terhasil daripada ?
๐Ÿ‘‰ Interaksi di antara 2 medan magnet
โ— medan magnet drpd arus elektrik dalam konduktor
โ— medan magnet drpd magnet kekal

๐Ÿซ‚ - 2 medan magnet ini bergabung utk menghasilkan 1 medan magnet paduan yg dikenali sbgai MEDAN LASTIK

๐Ÿ CORAK medan lastik = arah tindakan daya pada konduktor itu

Apakah itu medan lastik ? (Pg 138)

๐Ÿ‘‰ medan magnet paduan yg dihasilkan oleh interaksi antara medan magnet drpd konduktor pembawa arus dgn medan magnet drpd magnet kekal

~ bersambung ~

๐ŸชดEnglish Version : https://t.me/serenenotes/365

#physics #c4 #f5
#malay
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https://t.me/physicsspmnotes?boost

HELLO guys , siapa yang ada telegram premium tu tolong la boost supaya channel ni boleh post story mengenai ilmu physics๐Ÿ˜ฎโ€๐Ÿ’จ๐Ÿคชโšก๏ธ
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Hello Guys...Jom kita try soalan T4 Gelombang
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Blh jawap di ruangan komen ye....
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๐Ÿ’กPhysics with Heera

๐Ÿ“กChapter 3 : Electricity

! IMPORTANT DEFINITIONS !
Part 1

๐Ÿ”ŽE.H.T
๐Ÿ‘‰๐ŸปExtra high tension

๐Ÿ”Electric field
๐Ÿ‘‰๐ŸปThe REGION around a charged particle where any charge in the region will experience an electric force.

๐Ÿ”Electric field strength, E
๐Ÿ‘‰๐ŸปElectric force acting on a unit postive charge placed at a point.

๐Ÿ”Current, I
๐Ÿ‘‰๐ŸปThe rate of flow of charge, Q in a conductor

๐Ÿ”Potential difference, V
๐Ÿ‘‰๐ŸปThe work done, W in moving one coulumb of charge, Q from one point to another.
V = W/Q or
V = E/Q

๐Ÿ”Resistance
๐Ÿ‘‰๐ŸปRatio between potential difference, V and current, I.
R = V/I

๐Ÿ”Rheostat
๐Ÿ‘‰๐ŸปControl the current flow

๐Ÿ”s.w.g.
๐Ÿ‘‰๐ŸปSize wire gauge

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#heera

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๐Ÿ’กPhysics with Heera

! IMPORTANT DEFINITIONS !
Part 2

๐Ÿ”Resistivity of a conductor, p
๐Ÿ‘‰๐ŸปMeasure of a conductor's ability to oppose the flow of the electric current.

๐Ÿ”Superconductors
๐Ÿ‘‰๐ŸปMaterials that conduct electricity without any resistance.

๐Ÿ”Critical temperature, Tc
The temperature when the resistivity of a superconductor becomes ZERO.

๐Ÿ”Electromotive force (e.m.f.)
Energy transferred or work done by an electrical source to move one coulumb of charge in a complete circuit.

๐Ÿ”Voltage drop
Value of potential difference across the circuit, V is SMALLER than the e.m.f. of the dry cell
V < e.m.f.

๐Ÿ”Internal resistance, r of dry cell
The resistance caused by electrolytes in the dry cell
๐Ÿง Apa effects??
๐Ÿ˜ฟLoss of energy in the form of heat in dry cell
๐Ÿ˜ฟV < e.m.f. ---- (voltage drop๐Ÿ‘€)


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๐Ÿ’กPhysics with Heera

๐Ÿ“กChapter 2 - Force and Motion I๐Ÿ“ก

1โƒฃNewton's 1st Law of Motion
๐Ÿ‘‰๐ŸปAn object will remain at rest or move at uniform velocity unless acted upon by an external force

Inertia
๐Ÿ‘‰๐ŸปThe tendency of an object to remain at rest or if moving, to continue its motion in a straight line at uniform velocity

2โƒฃNewton's 2nd Law of Motion
๐Ÿ‘‰๐ŸปThe rate of change of momentum is directly proportional to the force
๐Ÿ‘‰๐ŸปActs in the direction of the applied force
F= kma

3โƒฃNewton's 3rd Law of Motion
๐Ÿ‘‰๐ŸปFor evert action, there is a reaction of equal magnitude, but in the opposite direction.

Impulse, J
๐Ÿ‘‰๐ŸปChange of momentum
J= mv - mu

Impulsive FORCE, F
๐Ÿ‘‰๐ŸปRATE of change of momentum
F= ( mv - mu ) / t

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๐Ÿ’กPhysics with Heera

๐Ÿ”ญPrinciple of Conservation of MOMENTUM

๐ŸงฒThe total momentum BEFORE collision is EQUAL to the total momentum AFTER collision if no external force is acting on it.

Basically,
Before = After
(No external force)

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#heera

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Countdown SPM:
100 days left!

โ€˜No matter how hard the things are, dont give up!โ€™
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๐Ÿ’กFizik bersama Heera dan Hanis

Bab 3 - Kegravitian
๐Ÿ“ก3.1 Hukum Kegravitian Newton

๐ŸŒทMaksudยฒ Penting
๐Ÿง mesti hafal ehh๐Ÿ˜‰


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#heera
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