The frequency of an alternating quantity is:

Purely inductive circuit takes power from the ac mains when:

In a 3-phase balanced star connected load, neutral current shall be  equal to:

For connecting two voltage sources in a parallel, which of the parameters should be equal to:

In an ac circuit I x Cos (phi) is called the:

Power loss in an electrical circuit can take place in:

Electrical cells are connected in parallel in order to increase which of the following:

In a secondary cell, chemical action is reversible

If the resistances which are connected in star are now converted to delta configuration, then which of the following is correct:

The circuit having same properties in either of the direction is known as ____ network:

The circuit having same properties in either of the direction is known as ____ network: