Exam 19: Power in Alternating-Current Circuits

Work' is defined as 'the

The combination of the two quantities, described above, is termed the __________ of an a.c. circuit.

The term, 'power factor', is the

The apparent power of an a.c. load is the __________ of its true power and reactive power.

Power' is defined as 'the

The SI unit of measurement for heat is the

Heat' is defined as 'the

The term, 'leading' power factor, describes a circuit in which the

The rate at which energy is alternately stored in a circuit's electric or magnetic field and returned to the supply, every quarter-cycle, is termed

The rate at which energy is dissipated through heat transfer in an a.c. circuit is termed

The SI unit of measurement for work is the

Energy' is defined as 'the

The SI unit of measurement for power is the

The above quantity is traditionally expressed in

The above quantity is traditionally expressed in

To convert a voltage phasor diagram to a power diagram,

The SI unit of measurement for energy is the

The above quantity is traditionally expressed in