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A rectangular coil 20cmxx20cm has 100 tu...

A rectangular coil `20cmxx20cm` has `100` turns and carries a current of `1 A`. It is placed in a uniform magnetic field `B=0.5 T` with the direction of magnetic field parallel to the plane of the coil. The magnitude of the torque required to hold this coil in this position is

A

Zero

B

200 Nm

C

2 Nm

D

10 Nm

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE-MOVING CHARGES AND MAGNETISM-Assignment (Section A) Objective Type Questions (One option is correct)
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  14. Due to the flow of current in a circular loop of radius R, the magneti...

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  15. A straight wire carring current I is turned into a circular loop. If t...

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  16. The current sensitivity of a moving coil galvanometer can be increased...

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  17. A rectangular coil 20cmxx20cm has 100 turns and carries a current of 1...

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  18. A wire of length l is formed into a circular loop of one turn only and...

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  20. The restoring couple in the moving coil galvanometer is due to

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