1. With a neat sketch briefly explain how an alternating voltage is produced when a coil is rotated in a magnetic field.

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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1. With a neat sketch briefly explain how an alternating voltage is produced when a coil is rotated in a magnetic
field.

2. Derive expressions for average value and RMS value of a sinusoidally varying AC voltage

3. A circuit having a resistance of 12Ω, an inductance of 0.15 H and a capacitance of 100μf in series is connected
across a 100V, 50Hz supply. Calculate the impedance, current, the phase difference between the current and
supply voltage.

4. Two circuits with impedances of Z1 = 10 + j15Ω and Z2 = 6 – j8Ω are connected in parallel. If the supply current is 20A, what is the power dissipated in each branch?

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