Questions
A circular ring of radius r is placed in a homogeneous magnetic field perpendicular to the plane of the ring. The field B changes with time according to the equation B = Kt, where K is a constant and r is the time. The electric field in the ring is
detailed solution
Correct option is C
∮ E→dl→=dϕBdt or E2πr = ddtKt × πr2 or E=Kr2Talk to our academic expert!
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