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Phys 212 formula sheet, Cheat Sheet of Physics

Formula sheet include mechanics, electrostatics, capacitors and rc circuit, simple circuit, magnetostatics, induction and rl ciruit, LC,LCR and AC circuit.

Typology: Cheat Sheet

2021/2022

Uploaded on 02/07/2022

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Physics 212 Formula Sheet 2013
21 RRR
I
V
R
2
P IV I R
A
L
R
21
111
RRR
Simple Circuits:
Electrostatics:
VE
12
12 12
2
0 12
1
4
qq ˆ
Fr
πε r
0
q
F
E
0
encl
Q
SdE
B
A
AB
AB ldE
q
W
VV
0
AB AB
UW
2
0ˆ
4r
rlId
Bd
vF qE q B
ANI
B
Magnetostatics:
IldB 0
BU
Mechanics:
2
v
c
ar
2
1v
2
Km
2
0
1
2
E
uE
0
CC
21
111
CCC
V
Q
C
d
A
C0
0
C
Q
CVU2
2
1
2
2
1
RC
21 CCC
Capacitors and RC Circuits:
/
0
t
V V e
/
(1 )
t
V V e

dt
dI
LV
dt
d
EMF B
2
2
1LIU
R
L
I
LB
Induction and RL Circuits:
0
2
2
1
B
uB
SdBΦB
/
0
t
V V e
/
(1 )
t
V V e

pf2

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Physics 212 Formula Sheet – 2013

R R 1 R 2

I

V

R 

2 P  IV I R

A

L

R

1 2

R R R

Simple Circuits:

Electrostatics:

E  V

1 2 12 2 12 0 12

q q F r ˆ πε r

q 0

F

E

Φ E EdS

^ 

Q encl E dS

B

A

AB B A E dl q

W

V V

0

AB AB

 U  W

2

(^4) r

Idl r dB

F  qE  qv B

NIA

 B

 ^ 

dF Idl B

Magnetostatics:

B dl  0 I

U B

Mechanics:

2 v a c r

v 2

K  m

2 0

1

2

0 u^ E^  E

C C

1 2

C C C

V

Q

C 

d

A

C

0 0

  C

Q

U CV

2

2

(^21) 2

1  

C C 1 C 2 RC

Capacitors and RC Circuits:

/ 0

t V V e

  

/ (1 )

t V V e

   (^)  

dt

dI V L dt

d EMF

B 

2

2

U  LI

R

L   I

L

B

Induction and RL Circuits:

0

2

B

uB 

Φ B BdS

/ 0

t V V e

  

/ (1 )

t V V e

   (^)  

V V V

V x y z x y z

Geometry

Circle

Sphere

2

area  R

circumf.  2 R

2

area  4 R

3

3

volume  R

X C

C

 X L L

1 1

2 2 V N

N

V 

LC

 

2 2 Z  R  XL XC

LC, LCR, and AC Circuits:

0 L 0

Q

R FWHM

   

max 2 rms

   max max

  I Z

max max

cos 2

I I R

rms

 P  

1. 60 10 C

 19 3 10 m/s e 

00

c Z 0 ^  0 c^377 Ω

2 9 2

1 Nm 8.99 10 4 C

k

Important Constants: 2

0 8.85^10

C

Nm

SI Prefixes Power Prefix^ Symbol

106

103

100

10 –^3

10 –^6

mega

kilo

milli

micro

M

k

m

10 –^9 nano n

10 –^12 pico^ p

Mirrors and lenses:

R

f  

1 2

R R

n f

s s ' f

s' m s

EM Waves, Polarization, Reflection and Refraction:

2

Intensity 2  Intensity 1 cos (  1  2 )

n 1 sin  1 n 2 sin 2

E B

S

1

2 sin (^) c n

n

v c n/ ^ 

u u E uB

2 max

0

P E

Intensity c u area

v f k

E cB

 2 f

1 v/c

1 v/c

f f

0

E D

d I dt

𝐵 ⋅ 𝑑𝑙 = 𝜇 Z 0  377 

0

0

0

4𝜋

≡ 1 × 10

2

= 1 × 10