A 25.0 N resistor and a coil are connected in series with a 12.0 V battery with negligible internal resistance and a closed switch. At 3.0 ms after the switch is opened the current has decayed to 0.18 A Compute the

A 25.0 N resistor and a coil are connected in series with a 12.0 V battery with negligible internal resistance and a closed switch. At 3.0 ms after the switch is opened the current has decayed to 0.18 A Compute the

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter18: Resistive-inductive Parallel Circuits

Section: Chapter Questions

Problem 1PA: Incandescent lighting of 500 W is connected in parallel with an inductive load. A clamp-on ammeter...

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Question

A 25.0 N resistor and a coil are connected in series with a 12.0 V battery with negligible
internal resistance and a closed switch. At 3.0 ms after the switch is opened the current has
decayed to 0.18 A. Compute the

(i)
inductance of the coil,
(ii)
time constant of the circuit, and
(iii)
time for the current to reach 5.0% of its original value.

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