Questions
A coil of area 100 cm2 has 500 turns. Magnetic field of 0.1 weber/metre2 is perpendicular to the coil. The field is reduced to zero in 0.1 second. The induced e.m.f. in the coil is
detailed solution
Correct option is B
e=−NB2−B1AcosθΔt=−500×(0−0.1)×100×10−4cos00.1=5VTalk 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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