In an RLC series AC circuit where R = 360 , L = 0.20 H,and C = 1.5 F, the EMF of

Question

In an RLC series AC circuit where R = 360 , L = 0.20 H,and C = 1.5 F, the EMF of the power supply is                                  = 170 sn(1500 rad/s t) V. a.) Find the impedanceZ of the RLC circi, b.) the phase angle of the current , andexplain which ofthem is leading in phase, the voltage or the current. c.) the rms value of th current in the circuit. In an RLC series AC circuit where R = 360 , L = 0.20 H,and C = 1.5 F, the EMF of the power supply is                                  = 170 sn(1500 rad/s t) V. a.) Find the impedanceZ of the RLC circi, b.) the phase angle of the current , andexplain which ofthem is leading in phase, the voltage or the current. c.) the rms value of th current in the circuit.

Explanation / Answer

Given R = 360 ohm

           L =0.2 H

           C =1.5 * 10 ^ -6 F

Emf E = 170 sin ( 1500 t )

Compare this with E = V sin wt

Angular frequency w= 1500 rad / s

Maximum voltage   V = 170 V

Inductive reactance X = Lw

                                    = 300 ohm

Capacitive reactance X ‘ = 1/ Cw

                                         = 444.44 ohm

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