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A magnet of magnetic moment $50 \hat{i}$ $A m^{2}$ is placed along the X-axis in a magnetic field $\vec{B} = (0.5 \hat{i} + 3.0 \hat{j}) T$ . The torque acting on the magnet is

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175k^ Nm

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75k^ Nm

2537 k^Nm

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detailed solution

Correct option is B

τ→=M→×B→=50i^×0.5i^+3j^=0+150k^Nm

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A magnet of magnetic moment 50i^ Am2 is placed along the X-axis in a magnetic fieldB→ = (0.5i^ + 3.0j^)T. The torque acting on the magnet is

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Ready to Test Your Skills?

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A magnet of magnetic moment $50 \hat{i}$ $A m^{2}$ is placed along the X-axis in a magnetic field $\vec{B} = (0.5 \hat{i} + 3.0 \hat{j}) T$ . The torque acting on the magnet is