Questions
A wire loop is rotated in a magnetic field. The frequency of change of direction of the induced e.m.f. is
a
four times per revolution
b
six times per revolution
c
once per revolution
d
twice per revolution
detailed solution
Correct option is D
when the disc is rotating if first one fourth of rotation flux increases then next next one fourth of rotation flux decreases and so on.Talk to our academic expert!
Similar Questions
The direction of induced current in the coils A and B in the coils A and B is the situation shown in the figure is
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