of the following statements is true for an SCR. It is an on-only controllable switch, which is turned on by a gating signal and cannot be turned off externally; only system conditions can turn off the de . None of the other choices are correct . It is a controllable switch, which is turned on by applying a gating signal and is turned off when the gating is removed It is an off-only controllable switch, which is turned off by a gating signal as needed . It is an on-off controllable switch, which is turned on and off by a gating signal as needed
of the following statements is true for an SCR. It is an on-only controllable switch, which is turned on by a gating signal and cannot be turned off externally; only system conditions can turn off the de . None of the other choices are correct . It is a controllable switch, which is turned on by applying a gating signal and is turned off when the gating is removed It is an off-only controllable switch, which is turned off by a gating signal as needed . It is an on-off controllable switch, which is turned on and off by a gating signal as needed
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:Which of the following statements is true for an SCR.
O A. It is an on-only controllable switch, which is turned on by a gating signal and cannot be turned off externally; only system conditions can turn off the device once it is on
O B. None of the other choices are correct
O C. It is a controllable switch, which is turned on by applying a gating signal and is turned off when the gating is removed
O D. It is an off-only controllable switch, which is turned off by a gating signal as needed
O E. It is an on-off controllable switch, which is turned on and off by a gating signal as needed
Expert Solution
Step 1
There are three types of switches:
- Uncontrolled switches : In these turn on and turn off can not be controlled.
- Semicontrol switches : In these only turn on can be controlled by gating signal
- Fully controlled switches : Both turn on and turn off can be controlled.
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