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MCQs 1: When an SCR is turned on, the voltage across it is about _____________?

Zero 10 V 1 V 1 V
Answer Explanation

MCQs 2: An SCR is a ____________ triggered device?

Voltage Current Voltage as well as current None of the above
Answer Explanation

MCQs 3: An SCR is made of silicon and not germanium because silicon _________________?

Is inexpensive Is mechanically strong Has small leakage current Is tetravalent
Answer Explanation

MCQs 4: In an SCR circuit the supply voltage is generally ___________ that of breakover voltage?

Equal to Less than Greater than None of the above
Answer Explanation

MCQs 5: The normal way to turn on a SCR is by______________?

Breakover voltage Appropriate anode current Appropriate gate current None of the above
Answer Explanation

MCQs 6: An SCR combines the features of ____________?

A rectifier and resistance A rectifier and transistor A rectifier and capacitor None of the above
Answer Explanation

MCQs 7: An SCR is turned off by _________________?

Reducing anode voltage to zero Reducing gate voltage to zero Reverse biasing the gate None of the above
Answer Explanation

MCQs 8: The control element of an SCR is ______________?

Cathode Anode Anode supply Gate
Answer Explanation

MCQs 9: In the normal operation of an SCR, anode is __________ w.r.t. cathode?

At zero potential Negative Positive None of the above
Answer Explanation

MCQs 10: An SCR behaves as a____________switch?

Unidirectional Bidirectional Mechanical None of the above
Answer Explanation

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