A PNPN device having two gates is ___________?
A PNPN device having two gates is ___________?
A. Diac
B. Triac
C. SUS
D. BCS
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In a full wave rectifier, the rectification ratio is approximately equal to____________?
In a full wave rectifier, the rectification ratio is approximately equal to____________?A. 61%
B. 71%
C. 81%
D. 91%An SCR is made up of silicon because?
An SCR is made up of silicon because?A. silicon has large leakage current than germanium
B. silicon has small leakage current than germanium
C. silicon has small leakage voltage than germanium
D. silicon has large leakage voltage than germaniumA single phase full bridge inverter can operated in load commutation mode in case load consist of______?
A single phase full bridge inverter can operated in load commutation mode in case load consist of______?A. RL.
B. RLC underdamped.
C. RLC overdamped.
D. RLC critically dampedGate circuit or triggering circuit of a thyristor is
Gate circuit or triggering circuit of a thyristor isA. lower power circuit.
B. high power circuit.
C. magnetic circuit.
D. may be low power or high power circuitAnode current in an SCR consists of____________?
Anode current in an SCR consists of____________?A. holes only
B. electrons only
C. either electron or holes
D. Both electron and holesIn a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes__________________?
In a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes__________________?A. Positive
B. Negative
C. Zero
D. None of these