30. Induction and Inductance
LR Circuits
3:18 minutes
Problem 30.27a
Textbook Question
Textbook Question(III) Two tightly wound solenoids have the same length and circular cross-sectional area. But solenoid 1 uses wire that is 1.5 times as thick as solenoid 2. (a) What is the ratio of their inductances? (b) What is the ratio of their inductive time constants? (Assume the only resistance in the circuits is that of the wire itself.)
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