Physics II Formula Sheet PDF

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PHYSICS II FORMULA SHEET EMILY CARPIO

MAGNETC FORCE: F B=|q|VB sin θ F B=i(current ) l( length ) B ( magnitude) sin θ(angle)

Moving through a wire:

μ I

0 Magnitude of magnetic field: B= 2 π

Torque: T =iA (loop of wire w /area )sin θ N Equation using a solenoid: B=μ0 L I

Magnetic Flux: ∅B =AB cos θ E Coil has N turns: ∅B =NAB cos θ

| |,

Faraday’s Law of Induction: |ε|= Lenz’s Law: |ε|=

∆ ∅B ∆t

E=NA

∆B ∆t

−∆ ∅B ∆t

Inductance of solenoid: ln

∅B i

w 2 N 2 A 2 B2 Power: Pavg= 2R

2 2 2 2 Power: Pmax = w N A B ,

Pavg=I 2 R ,

R

V Voltage: V rms = √2

I rms =

, v =B∗¿ v∗L

Angular Frequency: ω=2 πf

√

Angular Frequency: ω= 1

LC

1 Inductance of Capacitance: x C= ωC

Inductance of Inductor: x L =ωL

,

I rms =

V rms xL

I max

√2

,

i=

ϵ R

Impedance of circuit: z=√ (xL−xC)2 + R2 ∆i Voltage across an inductor: V L =−L ∆ t

, I rms = ,

V rms z

F Magnitude μ0 I 1 I 2 = 2 πd L...