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Electrical Engineering · all questions

Silicon Controlled Rectifiers
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

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An SCR is made of ___________

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When SCR starts conducting, then ___________ loses all control

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An SCR is a ___________ triggered device

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An SCR can exercise control over ___________ of a.c. supply

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In the normal operation of an SCR, anode is ___________ w.r.t. cathode

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An SCR has ___________ pn junctions

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In normal operation of an SCR, gate is ___________w.r.t. cathode

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An SCR behaves as a ___________ switch

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An SCR is a solid state equivalent of ___________

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In an SCR circuit, the angle of conduction can be changed by ___________

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The normal way to turn on a SCR is by ___________

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An SCR is turned off by ___________

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If firing angle in an SCR circuit is increased, the output ___________

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When an SCR is turned on, the voltage across it is about ___________

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The control element of an SCR is ___________

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An SCR has three terminals viz ___________

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An SCR is made of silicon and not germanium because silicon

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We can control a.c. power in a load by connecting ___________

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In an SCR circuit the supply voltage is generally ___________ that of breakover voltage

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An SCR is turned off when ___________

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