Questions
To induce an e.m.f. in a coil, the linking magnetic flux
a
Must decrease
b
Can either increase or decrease
c
Must remain constant
d
Must increase
detailed solution
Correct option is B
Due to change in magnetic flux, induced emf is producedTalk to our academic expert!
Similar Questions
A square wire loop, of side a has a long straight wire carrying a constant current i that passes through the centre of the loop and perpendicular to its plane as shown in Fig.
The current induced in the square loop is
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