List of top Electrical Technology Questions on AC Circuits asked in CBSE CLASS XII

Explain the basic concept of transformer. Mention any two different types of transformers.

Star delta motor starters are used for ________ motors.

Define Lenz's law.

What do you mean by one cycle of a wave?

Draw a diagram showing resistance in an AC circuit and the voltage and current waveform.

The peak energy stored in an RLC circuit divided by the average energy dissipated in the circuit per radian at resonance is called: