Questions
A solenoid having 500 turns and length 2 m has radius of 2 cm, then self inductance of solenoid is :
detailed solution
Correct option is B
Self inductance of solenoid is :L=μ0n2Sl S=πr2 L=4π x 10-7 x N2l2πr2 x l n=Nl =4π2 x 10-7 x 252 x 104 x 4 x 10-4 L=2 x 10-4 HTalk to our academic expert!
Similar Questions
A coil is wound as a transformer of rectangular cross-section. If all the linear dimensions of the transformer are increased by a factor 2 and the number of turns per unit length of the coil remain the same, the self inductance increased by a factor of
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