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- SCR (Silicon Controlled Rectifiers)electrical-engineering-mcqs › scr-silicon-controlled-rectifiers
- Published
- 21 Dec 2018
- Last updated
- 28 May 2026
Explanation
When the SCR is triggered and starts conducting, the gate terminal no longer controls the current flow. Instead, the device remains on until the current drops below a certain threshold, making the gate ineffective after conduction begins.
More SCR (Silicon Controlled Rectifiers) MCQs
Practice related questions from the same subject.
- 1.What is the approximate voltage drop across an SCR when it is in the conducting state?
- 2.What type of trigger does an SCR (Silicon Controlled Rectifier) respond to?
- 3.Why is silicon preferred over germanium in the construction of an SCR?
- 4.In an SCR circuit, how does the supply voltage typically compare to the breakover voltage?
- 5.What is the standard method to activate an SCR?
- 6.An SCR (Silicon Controlled Rectifier) integrates the characteristics of which two components?
- 7.How is an SCR (Silicon Controlled Rectifier) switched off?
- 8.Which part of an SCR functions as the control terminal?
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