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A motor with a coil that has a series resistance of 100 ohm and an inductance of 30H is powered by a 120 V DC generator. To prevent damage to the motor, a 300 ohm field discharge resistor is connected in parallel with it, as seen in Figure 1. The switch opens at t = 0 s after being in the closed state for a considerable amount of time. Find the voltage at 120 ms through the motor resistor (i.e 100 ohm )..

A motor with a coil that has a series resistance of 100 ohm and an inductance of 30H is powered by a 120 V DC generator. To prevent damage to the motor, a 300 ohm field discharge resistor is connected in parallel with it, as seen in Figure 1. The switch opens at t = 0 s after being in the closed state for a considerable amount of time. Find the voltage at 120 ms through the motor resistor (i.e 100 ohm )..

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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A motor with a coil that has a series resistance of 100 ohm and an inductance of 30H is powered by a 120 V DC generator. To prevent damage to the motor, a 300 ohm field discharge resistor is connected in parallel with it, as seen in Figure 1.

The switch opens at t = 0 s after being in the closed state for a considerable amount of time. Find the voltage at 120 ms through the motor resistor (i.e 100 ohm )..

 

120V + t=0 s O+ M Motor 300 Ω
Transcribed Image Text:120V + t=0 s O+ M Motor 300 Ω
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