SPECIAL SEMI CONDUCTORS AND POWER SUPPLY - Quiz

1) Which is two terminal device?

TRIAC DIAC SCR UJT

2) What is the operating frequency of linear power supply?

20 Hz to 25 Hz 50 Hz to 60 Hz 5 kHz to 10 kHz 15 kHz to 1 MHz

3) What is the efficiency of linear power supply?

30% - 40% 40% - 50% 50% - 60% 60% - 75%

4) Which circuit is used in SMPS for voltage regulation?

Clipping Clamping Switching Amplification

5) What is the full form of the abbreviation CVT?

Complex Virtual Technology Constant Voltage Transformer Composite Video Transmission Complementary Voltage Terminal