Question

Non conducting circular ring of radius 4 cm is placed in a time varying magnetic field with rate 0.2 tesla per second if two coulomb charge placed at its circumference the electric force on this charge will be

Answer 1

Answer:

Change in magnetic then produce electric field

∫E.dl=

dt

dϕ

R

ϕ

R

=BA

E.2πR=πR

2

×

dt

dB

E=

2

R×0.2

=

2

4×10

−2

×0.2

E=0.4×10

−2

=4×10

−3

N/C

electric field on 2c charge in

F=Eε=4×10

−3

×2

F=8×10

−3

N

Explanation:

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