An inductor is connected to the terminals of a battery that has an emf of 12.0v and negligible internal resistance. the current is 4.86ma at 0.940ms after the connection is completed. after a long time the current is 6.45ma

part a) what is the resistance r of the inductor?

r=?

part b) what is the inductance l of the inductor?

l=?

PartA) resistance R=1.86Ω

PartB) inductnce L=1.26mH

Explanation:

In an RL circuit,

where E is the emf of battery

           L is inductance of inductor

           R is the internal resistance of inductor

given max=

⇒

⇒

⇒Ω

given

⇒

⇒

⇒

applying logarithm on both sides,

⇒

⇒

⇒

the answer would be   dignified - apex

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