A uniformly wound semicircular half-toroid contains N identical small turns, each of area A and current I. The magnetic-moment vectors of the turns are uniformly distributed in direction over an angular span π. What is the magnitude of their resultant magnetic moment?

Physics · Magnetic effect of current · magnetic moment and torque on current carring loop in magnetic field

JEE MainsNEET

A uniformly wound semicircular half-toroid contains N identical small turns, each of area A and current I. The magnetic-moment vectors of the turns are uniformly distributed in direction over an angular span π. What is the magnitude of their resultant magnetic moment?

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