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The frequency of the sinusoidal voltage source in the circuit in Fig. P9.37 is adjusted until the current i, is in phase with Vg- a) Find the frequency in hertz. b) Find the steady-state expression for ig (at the fre- quency found in [a]) if v̟ = 45 cos wt V. c) Find the maximum value of 'R' for which reso- nant frequency of the circuit will have real value. Figure P9.37 300 N 100Ω(R) 100 mH :2 µF

The frequency of the sinusoidal voltage source in the circuit in Fig. P9.37 is adjusted until the current i, is in phase with Vg- a) Find the frequency in hertz. b) Find the steady-state expression for ig (at the fre- quency found in [a]) if v̟ = 45 cos wt V. c) Find the maximum value of 'R' for which reso- nant frequency of the circuit will have real value. Figure P9.37 300 N 100Ω(R) 100 mH :2 µF

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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9.37 The frequency of the sinusoidal voltage source in the circuit in Fig. P9.37 is adjusted until the current i, is in phase with vg- a) Find the frequency in hertz. b) Find the steady-state expression for ig (at the fre- quency found in [a]) if v̟ = 45 cos wt V. c) Find the maximum value of 'R' for which reso- nant frequency of the circuit will have real value. Figure P9.37 300 N 100 0(R) 100 mH :2 μF
Transcribed Image Text:9.37 The frequency of the sinusoidal voltage source in the circuit in Fig. P9.37 is adjusted until the current i, is in phase with vg- a) Find the frequency in hertz. b) Find the steady-state expression for ig (at the fre- quency found in [a]) if v̟ = 45 cos wt V. c) Find the maximum value of 'R' for which reso- nant frequency of the circuit will have real value. Figure P9.37 300 N 100 0(R) 100 mH :2 μF
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