A. At zero potential
B. Negative
C. Positive
D. None of the above
Related Mcqs:
- If gate current is increased, then anode-cathode voltage at which SCR closes_________________?
A. Is decreased
B. Is increased
C. Remains the same
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 - The normal way to turn on a SCR is by______________?
A. Breakover voltage
B. Appropriate anode current
C. Appropriate gate current
D. None of the above - An SCR has __________ pn junctions?
A. Two
B. Three
C. Four
D. None of the above - An SCR can exercise control over____________of a.c. supply?
A. Positive half-cycles only
B. Negative half-cycles only
C. Both positive and negative half-cycles
D. Positive or negative half-cycles - An SCR is made of_______________?
A. Germanium
B. Silicon
C. Carbon
D. None of the above - 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 behaves as a____________switch?
A. Unidirectional
B. Bidirectional
C. Mechanical
D. None of the above - An SCR is a ____________ triggered device?
A. Voltage
B. Current
C. Voltage as well as current
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