Question

Magnetic field 10-5T is at a
distance 10 cm from the axis of a straight long
current carrying conducting wire. Calculate the
current flowing in the wire.​

Answer 1

Answer:

Applying Ampere's law on a loop of radius a around the wire, 

⇒μ0I=B(2πa)

⇒B=2πaμ0I

⇒B∝a1

Answer 2

Step-by-step explanation:

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