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A coil of 100 turns and area square c...

A coil of 100 turns and area square centimetre is placed in a magnetic field B = `0.2` T . The normal to the plane of the coil makes an angle of `60^(@)` with the direction of the magnetic field . The magnetic flux linked with the coil is :

A

`5 xx 10^(-3) Wb`

B

`5 xx 10^(-5) Wb`

C

`10^(-2) Wb`

D

`10^(-4) Wb`

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • A circular coil of 25 turns and radius 12 cm is placed in a uniform magnetic field of 0.5 T normal to the plane of the coil. If the current in the coil is 6 A then total torque acting on the coil is

    A
    zero
    B
    3.4 Nm
    C
    3.8 Nm
    D
    4.4 Nm

  • A ciruclar coil of 20 turns and radius 10cm is placed in a uniform magnetic field of 0.1T normal to the plane of the coil . If the current in the coil is 5.0A what is the average force on each electron in the coil due to the magnetic field ( The coil is made of copper wire of cross - sectional area 10^(-5)m^(2) and the free electron density in copper is given to be about 10^(29)m^(-3)) .

    A
    `2.5xx10^(-25)N`
    B
    `5xx10^(-25)N`
    C
    `4xx10^(-25)N`
    D
    `3xx10^(-25)N`