Q.

Assertion: Force on current carrying loop as shown in the figure in magnetic field, B=B0xk^ is along positive x-axis. Here, B0 is a positive constant.

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Given image

Reason: A torque will act on the loop.

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a

Magnetic field is outwards and force is in positive x-direction.

b

Magnetic field is outwards and force is in negative x-direction.

c

Magnetic field is inwards and force is in positive x-direction.

d

Magnetic field is inwards and force is in negative x-direction.

answer is A.

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Detailed Solution

Magnetic field is outwards and increasing with x. So, magnetic force will also increase with x. The force on different sections as shown in figure.

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Reference image

Force will act in positive x-direction. But, no torque will act.

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