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Questions  

A conducting loop carrying a current i is placed in a uniform magnetic field acting perpendicular to the plane of the coil as shown in fig. The loop will have

a tendency to

a
contract
b
expand
c
moves towards positive X-axis
d
moves towards positive Y-axis

detailed solution

Correct option is B

The force acting on each element of the coil is radially outward. This produces tension in the loop and hence the loop will expand.

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Similar Questions

Two infinitely current carrying insulated wires AB and CD are carrying same current  I. The wires cross each other at right angles as shown in figure. Three identical conductors P1Q1 , P2Q2 and P3Q3, carrying same current are placed a shown in figure and the forces acting on them are F1 , F2 and F3 respectively. Then select the correct option.


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