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No net force acts on a rectangular coil ...

No net force acts on a rectangular coil carrying a steady current when suspended freely in a uniform magnetic field.

Text Solution

Verified by Experts

The correct Answer is:
1
Net force on a current carrying closed loop in a uniform
magnetic field is zero.
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Knowledge Check

  • A circular coil of 70 turns and radius 5 cm carrying a current of 8 A is suspended vertically in a uniform horizontal magnetic field of magnitude 1.5 T. The field lines make an angle of 30^(@) with the normal of the coil then the magnitude of the counter torque that must be applied to prevent the coil from turning is

    A
    33 Nm
    B
    3.3 Nm
    C
    `3.3 xx 10^(-2)Nm`
    D
    `3.3 xx 10^(-4)Nm`