Question

Two long and straight wires A and B carrying current of 8.0&5.0A in the same direction are seperated by a distance of 4.0 cm. Estimate the force on a10cm section of wire A
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Answer 1

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Step-by-step explanation:

Current in wire A, I

1

=8 A

Current in wire B, I

2

=5 A

Force exerted on 10cm section of wire A,

B=

4πr

μ

o

2I

1

I

2

l

=2×10

−5

T

Attractive force normal to A towards B, because current direction same.

Answer 2

Answer:

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