A current carrying loop is placed in a ...

A current carrying loop is placed in a uniform magnetic field in four different orientations , I,ii,iii & iv arrange them in the decreasing order of potential Energy`

A

I gt III gt II gt IV

B

I gt II gtIII gt IV

C

I gt IV gt II gt III

D

III gt IV gt I gt II

Text Solution

Verified by Experts

The correct Answer is:

C

`U=- MB cos theta ` where ` theta ` = Angle between normal to the plane of the coil and direction of magnetic field .

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A current carrying loop is placed in a uniform magnetic field in four different orientations as shown in figure. Arrange them in the decreasing order of potential energy.

A

4,2,3,1

B

1,4,2,3

C

4,3,2,1

D

1,2,3,4

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

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

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