SCR (Silicon Controlled Rectifiers)

An SCR combines the features of ____________? A. A rectifier and resistanceB. A rectifier and transistor C. A rectifier and capacitor D. None of the above

An SCR is turned off by _________________? A. Reducing anode voltage to zero B. Reducing gate voltage to zero C. Reverse biasing the gate D. None of the above

The control element of an SCR is ______________? A. Cathode B. Anode C. Anode supplyD. Gate

In the normal operation of an SCR, anode is __________ w.r.t. cathode? A. At zero potential B. NegativeC. Positive D. None of the above

An SCR behaves as a____________switch? A. Unidirectional B. Bidirectional C. Mechanical D. None of the above

In normal operation of an SCR, gate is _____________w.r.t. cathode? A. Positive B. Negative C. At zero potential D. None of the above

An SCR is sometimes called ____________? A. Triac B. Diac C. Unijunction transistorD. Thyristor

An SCR is a solid state equivalent of ______________? A. Triode B. PentodeC. Gas-filled triode D. Tetrode

An SCR has three terminals viz ________________? A. Cathode, anode, gate B. Anode, cathode, grid C. Anode, cathode, drain D. None of the above

An SCR is made of_______________? A. GermaniumB. Silicon C. Carbon D. None of the above