Answers are given.. How do we get them?? Please explain in depth. step by step!

Question

Answers are given.. How do we get them?? Please explain in depth. step by step!

1.      Answer the following.

a.       The rms current in an ac circuit with a resistance of 150 ? is 0.65 A.

                                                              i.            What is the max current? A: .92 A

                                                            ii.            What is the rms voltage? A: 97.5 V

                                                          iii.            What is the max voltage? A: 138 V

                                                          iv.            What is the max power consumed by the circuit? A: 127 W

                                                            v.            What is the average power consumed by the circuit? 63 W

Explanation / Answer

I max = Isqrt(2) = 0.65 sqrt(2) = 0.92

V rms = Irms * R = 150*0.65 = 97.5

V max = Imax *R = 0.92*150 = 138

P max = I max^2 R = 0.92^2 * 150 = 127

P avg = Irms ^2 *R = 0.65^2 * 150 = 63

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