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 )..
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter7: Alternating Current, Power Distribution, And Voltage Systems
Section: Chapter Questions
Problem 7RQ
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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 )..
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