Hello guys , admin luq nak minta maaf untuk minggu ni agak lambat sikit jawab soalan2 korang kat dm tu :(

Admin tgh dalam fasa buat persiapan untuk pre-u , jadinya banyak masa digunakan untuk fokus hal itu.Kalau admin lambat reply tu harapnya korang faham la ya , bukan tknk tolong tpi kena utamakan diri admin juga 😵‍💫

Saya tetap akan reply tapi ambil masa la ya , don't worry saya masih nak bantu korang cemerlang untuk spm 😉banyakkan je bertanya saya mmg ikhlas tolong cumanya tak sepantas dulu la.

Sekali lagi admin luq mohon maaf ya🥲

(Sumber: Trial)

Chapter 5 : Waves (F4)
🌈Electromagnetic Waves

Definition !
🌸Made up of magnetic field and electric field that oscillates perpendicularly to one another

👉Mneumonic
Raju Mumbled I Love U eX Girlfriend

Raju - Radiowave
Mumbled - Microwave
I - Infrared
Love - Visible Light
U - Ultraviolet
eX- Xray
Girlfriend - Gamma ray

#physics #f4 #c5

🦋*ੈ✩‧₊˚ 『 @serenenotes 』

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💡Physics with Heera

📡Chapter 3 : Electricity

! IMPORTANT DEFINITIONS !
Part 1

🔎E.H.T
👉🏻Extra high tension

🔍Electric field
👉🏻The REGION around a charged particle where any charge in the region will experience an electric force.

🔍Electric field strength, E
👉🏻Electric force acting on a unit postive charge placed at a point.

🔍Current, I
👉🏻The rate of flow of charge, Q in a conductor

🔍Potential difference, V
👉🏻The work done, W in moving one coulumb of charge, Q from one point to another.
V = W/Q or
V = E/Q

🔍Resistance
👉🏻Ratio between potential difference, V and current, I.
R = V/I

🔍Rheostat
👉🏻Control the current flow

🔍s.w.g.
👉🏻Size wire gauge

#physics #c3 #f5
#heera

🦋*ੈ✩‧₊˚ 『 @serenenotes 』

💡Physics with Heera

! IMPORTANT DEFINITIONS !
Part 2

🔍Resistivity of a conductor, p
👉🏻Measure of a conductor's ability to oppose the flow of the electric current.

🔍Superconductors
👉🏻Materials that conduct electricity without any resistance.

🔍Critical temperature, Tc
The temperature when the resistivity of a superconductor becomes ZERO.

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

🔍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.

🔍Internal resistance, r of dry cell
The resistance caused by electrolytes in the dry cell
🧠Apa effects??
😿Loss of energy in the form of heat in dry cell
😿V < e.m.f. ---- (voltage drop👀)


#physics #c3 #f5
#heera

🦋*ੈ✩‧₊˚ 『 @serenenotes 』

hii maap busy gue lagi ppt

nak tanya bila kita trial 😭

kenapa terlalu banyak info tidak sahih diperkatakan oleh pelajar

anyways

ppt korang okay ke ? tepu tak otak kalau kita bagi soalan 😜