Question

A toroid has 8000 turns wound on it and carry a current 12 amp what is magnetic density inside the toroid at a point 8 cm from the centre of the toroidle circle​

Answer 1

Answer:

Correct option is

B

2.5×10

−2

T

Given,

N=3000

R

i

=10cm=0.10m

R

o

=14cm=0.14m

R=

2

R

i

+R

o

=0.12m

I=5A

μ

0

=4π×10

−7

TmA

−1

The magnetic field inside the toroid will be

B=

2πR

μ

0

NI

B=

2π×0.12

4π×10

−7

×3000×5

B=2.5×10

−2

T

The correct option is B.

HOPE IT HELPS (◕ᴗ◕✿)