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1. Find the phase relationship between the following waveforms: a) v = 2 cos(wt - 30), i = 5 sin(wt + 60) b) v = 4 sin(wt + 50), i = 6 sin(wt + 40) 2. Find the average value of the periodic waveform in Fig. i (mA) 20 8 I (ms) -5 3. Write the sinusoidal expressions for voltages and currents having the following rms values at a frequency of 60 Hz with zero phase shift: a) 10 V , b) 2KV , c) 50 mA 4. The current through a. 0.1 H coil is given. What is the sinusoidal expression for the voltage? a) 10 sin100t b) 6 x 10-3 sin377t

1. Find the phase relationship between the following waveforms: a) v = 2 cos(wt - 30), i = 5 sin(wt + 60) b) v = 4 sin(wt + 50), i = 6 sin(wt + 40) 2. Find the average value of the periodic waveform in Fig. i (mA) 20 8 I (ms) -5 3. Write the sinusoidal expressions for voltages and currents having the following rms values at a frequency of 60 Hz with zero phase shift: a) 10 V , b) 2KV , c) 50 mA 4. The current through a. 0.1 H coil is given. What is the sinusoidal expression for the voltage? a) 10 sin100t b) 6 x 10-3 sin377t

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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1. Find the phase relationship between the following waveforms: a) v = 2 cos(wt - 30), i = 5 sin(wt + 60) b) v = 4 sin(wt + 50), i = 6 sin(wt + 40) 2. Find the average value of the periodic waveform in Fig. ti (mA) 20 8 I (ms) -5 3. Write the sinusoidal expressions for voltages and currents having the following rms values at a frequency of 60 Hz with zero phase shift: a) 10 V , b) 2KV , c) 50 mA 4. The current through a. 0.1 H coil is given. What is the sinusoidal expression for the voltage? a) 10 sin100t b) 6 x 10-3 sin377t c) - 4 cos(20t – 70°)
Transcribed Image Text:1. Find the phase relationship between the following waveforms: a) v = 2 cos(wt - 30), i = 5 sin(wt + 60) b) v = 4 sin(wt + 50), i = 6 sin(wt + 40) 2. Find the average value of the periodic waveform in Fig. ti (mA) 20 8 I (ms) -5 3. Write the sinusoidal expressions for voltages and currents having the following rms values at a frequency of 60 Hz with zero phase shift: a) 10 V , b) 2KV , c) 50 mA 4. The current through a. 0.1 H coil is given. What is the sinusoidal expression for the voltage? a) 10 sin100t b) 6 x 10-3 sin377t c) - 4 cos(20t – 70°)
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