Question

a current of 12A flows in a circular loop of radius 0.8 m. what is the magnitude of magnetic field in the centre of coil... Please answer this it's very important.... ​

Answer 1

Answer:

Given

n=50turns, R=0.5m, I=5A,

According to Bio-sawart Law

magnetic flux density is given by B

⇒B=

2R

μ

0

nI

⇒B=

2×0.5

4π×10

−7

×50×5

=3.14×

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