Question

A conductor of 2 metre length lies along z axis with a current of 10 amphere in a-z direction. If the magnetic field is equal to B vector is equal to 0.05 ax tesla. Find the force on the conductor.

Answer 1

Answer:

Magnetic field induction at point P due to current carrying wire is

B

2

=

2πr

μ

0

i

.

2π×0.02

4π×10

−7

×30

B

2

=3×10

−4

T

The direction of B

2

will be perpendicular to B

1

then, the magnitude of the resultant magnetic induction

B=

B

1

2

+B

2

2

=

(4)

2

+(3)

2

×10

−4

=5×10

−4

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