is used in the rotating type UPS system to supply the mains.

Related MCQs

• Usually                      batteries are used in the UPS systems.
• Static UPS requires                      
• It may be required to store energy for a specified amount of time during power failure especially if the system is designed for a computer power supply.
• Which of the following can be a source of supply in dc power supplies?
• Why zener diodes are provided in dc supply?
• For instrumentation system, precision variable voltage-reference system is necessary.
• For what type of signals does a transistor behaves as linear device?
• Consider a voltage amplifier having a frequency response of the low-pass STC type with a dc gain of 60 dB and a 3-dB frequency of 1000 Hz. Then the gain db at
• What is the DC characteristic used to prove that the transistor is indeed biased in saturation mode?
• The compensation techniques are used to