Basic Electrical – Page 2 – HI MCQ!

A source of angular frequency 1 rad/sec has a source impedance consisting of 1 resistance in series with 1 H inductance. The load that will obtain the maximum power transfer is?

Mark as favorite

A current is said to be alternating when it changes in?

Mark as favorite

If two sinusoidal of the same frequency but of different amplitudes and phase difference are added, the resultant is a?

Mark as favorite

A current is said to be alternating when it changes in?

Mark as favorite

If two sinusoidal of the same frequency but of different amplitudes and phase difference are added, the resultant is a?

Mark as favorite

The reactance offered by a capacitor to ac of frequency 50 Hz is 102. If the frequency is increased to 100 Hz, reactance becomes?

Mark as favorite

A square wave is fed to an R-C circuit. Then?

Mark as favorite

A 240 V single-phase ac source is connected to a load with an impedance of 10 2. A capacitor is connected in parallel with the load. If the capacitor supplies 1,250 VAR, the real power supplied by the source is?

Mark as favorite

A source of angular frequency 1 rad/sec has a source impedance consisting of 1 resistance in series with 1 H inductance. The load that will obtain the maximum power transfer is?

Mark as favorite

The rated voltage of a 3-phase power system is given as?

Mark as favorite