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This question belongs to Electronics And Communications Engineering Electromagnetic Field Theory

Electromagnetic Field Theory

?

Which one of the following is the correct expression for torque on a loop in magnetic field $$\overrightarrow B $$? (here $$\overrightarrow M $$ is the loop moment).

A) $$\overrightarrow T = \nabla .\overrightarrow B $$ B) $$\overrightarrow T = \overrightarrow M .\overrightarrow B $$ C) $$\overrightarrow T = \overrightarrow M \times \overrightarrow B $$ D) $$\overrightarrow T = \overrightarrow B \times \overrightarrow M $$

Answer & Solution

Correct Answer: Option C

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