Resistor R and a resistanceless coil L1 = 97 mH are connected in series to an AC source with frequency 86.5 Hz, and an rms current / flows in the circuit. If the first coil is now replaced by a second resistanceless coil L2 = 4.78 mH, the rms current increases to 2.18/. Find R, in Q.
Resistor R and a resistanceless coil L1 = 97 mH are connected in series to an AC source with frequency 86.5 Hz, and an rms current / flows in the circuit. If the first coil is now replaced by a second resistanceless coil L2 = 4.78 mH, the rms current increases to 2.18/. Find R, in Q.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter33: Inductors And Ac Circuits
Section: Chapter Questions
Problem 35PQ
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