Irodov – Problems in General Physics

(Continued)

Name SI Gaussian system

Blot and Savart's

law

Induction of the

field produced

(a) by direct

current

(b) in the centre

of a loop

(c) in a solenoid

Definition of the

vector H

Circulation of the

vector H in a

constant field

Relation between

J and H

Relation between

II and x

Relation between

B and H

Lorentz force

Ampere's law

Force of inter-
action of paral-
lel currents

Erni of induction

Inductance

Inductance of a
solenoid

Energy of the
magnetic field
produced by cur-
rent

Energy density of
magnetic field

dB— 4 4n I [dl, r] 7 .3 dB=^1 I [dI, r]

B

o^ — p,o^ — 2/

c 1. 3

B

.L. =— --- ,^ 2/

c r

vp = D,^1 2a7

4a r

B= [to^2

4n r

B = ponI

H =B41. 0 —J

1//d/=/

J-=

p,=1+x

B= p,opH

F= q [vB]

dF = I [dl, B]

F____ p, 0 2111 2

C

c r

B= —43t nI

c

H= B-4nJ

./// d/--=—L 4 t /

XH

p.= 1+ 4nx

B = p,H

F= — [vB] c

(^) dF = —I [dl, B]
c
F —^1 21112
4n (^) d
dCb
c 2 d
1 c/(1)
Wi= --it-
L=c1)1I
L = gop,n 2 V
L/2
W =
5'i= — c dt
L= ca 1 1 I
L = 4ntin 2 V
w =
1 L/ 2
2
BH
2
rr c 2 2
BH
w ----- w= 8n