INVERTER AND UPS - Practice Mode

1) Which principle the constant voltage transformer works?

Self-induction principle Fall in potential principle Ferro-resonant principle Mutual induction principle

Correct Answer: Ferro-resonant principle

2) Which transformer is used in servo voltage stabilizer?

Step up transformer Step down transformer Torodial autotransformer Constant voltage transformer

Correct Answer: Torodial autotransformer

3) Which instrument is used to check short circuit faults in electronic circuit in voltage stabilizer?

Ammeter Voltmeter Ohmmeter Multimeter

Correct Answer: Multimeter

4) What are the important stages in a simple inverter?

Oscillator and rectifier stages llator and amplifier stages Amplifier and transformer output stages Oscillator, amplifier and transformer output stages

Correct Answer: Oscillator, amplifier and transformer output stages

5) Where square wave inverters are used?

Computers TV receiver DVD players General lighting

Correct Answer: General lighting

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