Questions
A short-circuited coil is placed in a time-varying magnetic field. Electrical power is dissipated due to the current induced in the coil. If the number of turns were to be quadrupled and the wire radius halved, the electrical power dissipated would be
detailed solution
Correct option is B
Where R = resistance, r = radius, l = LengthTalk to our academic expert!
Similar Questions
A coil having n turns and resistance R is connected with a galvanometer of resistance 4 R . This combination is moved in time t seconds from a magnetic field B1 weber to B2 weber. The induced current in the-circuit is
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