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1.

Reactive Power.

Answer»

The power due to the reactive component of current is called as the reactive power. It is denoted by Q.

\(Q=V*Isin(\phi)=I^2X_{L}sin(\phi)\)

Reactive power does not do any useful work. It is the circulating power in the L and C components. The unit for reactive power is Volt Amperes Reactive (VAR).

2.

What is Real Power

Answer»

The power due to the active component of current is called as the active power or real power. It is denoted by P.

\(P=V*Isin(\phi)=I^2X_{L}sin(\phi)\)

Real power is the power that does useful power. It is the power that is consumed by the resistance. The unit for real power in Watt(W).