Electrical Engineering Transformers Quiz

What type of waveform will the AC supply side current have when the load current is assumed to be ripple free?

Which type of converter is a chopper?

What is an astable multivibrator primarily used for?

What is another name for an induction motor?

In AC systems, what does the form factor measure?

For a balanced delta connected load, what is the phase angle between the line current in delta leg and its equivalent star-phase voltage?

What is the resistance value that must be added to obtain the rated torque at 1000 rpm?

If two transformers have one's linear dimensions twice as large as the other but use the same materials, what is the ratio of their kVA values?

In a three-phase slip induction motor fed from the rotor side with stator side short-circuited, what frequency of current flows in the short-circuited stator winding?

What happens if the air gap in an induction motor is increased?

Which type of motor is most suitable for a computer printer drive?

Which of the following motors definitely has a permanent rotor?

In a DC machine, what do the carbon brushes do?

What type of converter is an inverter?

Which factor does the electrical resistance of a conductor NOT depend on?

How is the energy stored by a capacitor calculated?

When transforming a 60V voltage source with an internal resistance of 50Ω to a current source, what is the equivalent current source value?

What substance is responsible for slowing down neutrons in a nuclear power plant?