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A coil of area 10cm^2 and 10 turns is in...

A coil of area `10cm^2` and 10 turns is in magnetic field directed perpendicular to the plane and changing at a rate of `10^8 gauss//s`. The resistance of coil is `20Omega`. The current in the coil will be

A

0.5A

B

`5xx10^(-3)A`

C

0.05A

D

5A

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • In a coil of area 10cm^(2) and 10 turns, magnetic field is directed perpendicular to the plane and is changing at a rate of 10^(4)Ts^(-1) . The resistance of the coil is 20Omega . The current in the coil will be

    A
    0.5 A
    B
    0.20833333333333
    C
    5 A
    D
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  • A rectangular coil of 20 turns and area of cross - section 25 sq. cm has a resistance of 100 Omega . If a magnetic field which is perpendicular to the plane of coil changes at a rate of 1000 tesla per second, the current in the coil is

    A
    `1A`
    B
    50 A
    C
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    D
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  • A rectangular coil of 20 turns and area of cross-section 25 cm^(2) has a resistance of 100 ohm . If a magnetic field which is perpendicular to the plane of the coil changes at the rate of 1000 telsa per second, the current in the coil is

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