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A current carrying loop is placed in a u...

A current carrying loop is placed in a uniform magnetic field. The Torque acting on it does not depend upon

A

shape of the loop

B

area of the loop

C

magnitude of the current

D

magnetic field

Text Solution

Verified by Experts

The correct Answer is:
A

Torque `vec(tau) = NI (vecA xx vecB)` and it is independent of the shape of current loop.
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Knowledge Check

  • A current carrying conductor placed in a uniform magnetic field , experience

    A
    a weak force
    B
    a strong force
    C
    a mechanical push on it
    D
    an electrostatic imbalance
  • A current carrying loop in a uniform magnetic field will experience

    A
    force only
    B
    torque only
    C
    both torque and force
    D
    neither torque nor force
  • Assertion : A current carrying loop is placed in uniform magnetic field as shown in figure. Torque in the loop in this case is zero. Reason : Magnetic moment vector of the loop is perpendicular to paper inwards.

    A
    If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
    B
    If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
    C
    If Assertion is true, but the Reason is false.
    D
    If Assertion is false but the Reason is true.
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