1) Which is two terminal device?
Correct Answer: DIAC
2) What is the operating frequency of linear power supply?
Correct Answer: 50 Hz to 60 Hz
3) What is the efficiency of linear power supply?
Correct Answer: 30% - 40%
4) Which circuit is used in SMPS for voltage regulation?
Correct Answer: Switching
5) What is the full form of the abbreviation CVT?
Correct Answer: Constant Voltage Transformer