Questions
A magnetic field of 2 10– 2 T acts at right angles to a coil of area 100 cm2 with 50 turns. The average emf induced in the coil is 0.1 V, when it is removed from the field in time t. The value of t is
detailed solution
Correct option is A
e=−NB2−B1AcosθΔt⇒0.1=−50×0−2×10−2×100×10−4×cos0∘t⇒t=0.1sec.Talk 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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