4391598499

Physics Formulas

Electric Field & Force

Electric Potential

Capacitance

F_e=k

„ ₌ kg

R

AK

Q = CA K

R² F, = <?E F_e = \q\E

r-fili!

^E R² <t>_e = EA cos 0

Qenc

^nct

^£0 -

Faraday s Law

<t>_m = BA cos 9 A O

^£,nd " ^W At

find = ~BłV

m

PE_e=k

W*

C =

1

-I

R

W' = (/Al/ AK

U = -QAV

. U=-CAV² ,

111 1

TT ⁼ ~zr +    + ••• + ~

c_s c, c₂    C_N

C_v = Cj + C₂ 4* ••• + C,

Q² U = — 2C

A/

Magnetic Field & Force

F_m = |<j|i>Fsin0 F_m = ILB sin 0 T_ne[ = IAB sin 0 Boi

B =

B =

27rr_c

#v

2a

» "o"'

B = —— = p„n/

C =

K€qA

Resistance & Current

_1

K.

0,/, cos0, + B₂f₂ cos0₂ H— = p_n/

cnr

Inductance

[Time Constant

AF = //?

P = /Al/

AK		AK
^, = T	. p =	T
		AK^2
P-l^2R	. p =	F
l + «2 +	••• + Fjy
1 _ 4__o.	1 ... _i__
1 *2
\	F 4

exttmg

A/

^{fŁ =} ^A7

L =

N<t>

m

U, = —U

x — RC tvi = rln(2)

^{T =} fi

[Transformer| entertng

-Hł    y ai/,=o

/\/

^ł*s    /oot

AK

out

loop

e = A V + Ir = I(R + r)

1

f/PHysicist Page ©2017

AC Circuits

Z = y/R² + (X_Ł - JTc)²

_t ^(X_L~Xc\

* = tan (—J

AK_m = Jw²m + (AK_Łm - AK_Cm)²

AK_rms =

AK

m

V2

/ = —

V2

^{P =} o Pi

^{r =} ~a

p = p₀(\ + aAT) R = «₀(1 + aAT)

) = <tE

1

^J = A

/-£

At

Wo

X, =oiŁ

<d₀ =

AK_m = /_mZ

\[LĆ

= 2nf₀    A w

w₀L

R

X_r =

tuC

©2017