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Qus: What is the formula to find the work done in rotating the dipole in a uniform magnetic field from θ1 to θ2?

Qusद्विध्रुव को एकसमान चुम्बकीय क्षेत्र में θ1 से θ2 तक घुमाने में किया गया कार्य ज्ञात करने का सूत्र क्या है ?

A. W = MB (cos θ1/cos θ2)
B. W = MB (cos θ1 + cos θ2)
C. W = MB (cos θ1 – cos θ2)
D. W = M+B (cos θ1 – cos θ2)


Solution
C. W = MB (cos θ1 – cos θ2)



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