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A rectangular coil of wire of 500 turns ...

A rectangular coil of wire of 500 turns of area `10xx5cm^(2)` carries a current of `2A` in a magnetic field of induction `2xx10^(-3)T`. If the plane of the coild is parallel to the field. The torque on the coil is `( i n) Nm`.

A

0.1

B

0.01

C

0.001

D

1

Text Solution

Verified by Experts

The correct Answer is:
B

`tau = BAIN cos theta `
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Knowledge Check

  • A circular coil of 20 turns each of radius 10 cm and carrying a current of 5 A is placed in a uniform magnetic field of induction 0.10 T normal to the plane of the coil?

    A
    `0.314 Nm`
    B
    `zero`
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    `31.4 Nm`
    D
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    A
    `5.5xx10^-6Nm`
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    `3.5xx10^-6Nm`
    C
    `3.3xx10^-6Nm`
    D
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  • A rectangular coil of wire of area 400cm^(2) contain 500 turns. It is places in a magnetic field of induction 4xx10^(-3)T and it makes an angle 60^(@) with the field. A current of 0.2A is passed through is. The torque on the coil is

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    B
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    C
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    D
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