Question

the magnetic camp that flows through point P2 outside the wire is:
a 4.05x10^-7 T
b 0.0T
c 8.1x10^-7 T
d 2.0x10-7 T

2 4R 6R 5R 4R 5R 10R R=2.2 L = 100H

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Answer #1

Flux outside the wire is zero as we consider inductor as an infinite solenoid hence field doesn't exist at outside point.

Hence field is zero

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