An inductor stores u energy and I current is passed through it and dissipate energy at the rate of P.The time constant of the circuit,when this coil is connected across a battery of zero internal resistance?
Answer is 2U/p
Answer is 2U/p
1 Answer
Apr 25, 2018
Energy stored in an inductor
#U=1/2LI^2#
where#I# is final value of the current.
Power dissipated
#P=I^2R#
Time constant of
#tau = L/R#
Writing it in terms of
#tau=((2U)/I^2)/(P/I^2)#
#tau=(2U)/(P)#