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what is the difference between KW and KVA?

Answer Posted / shyam majgaonkar

The power consumed by the resistive element of the circuit
with Impedance is termed as Active Power
P= V*I*p.f.
P=I*Z*I*(R/Z)
P=square(I)*R in Wattd
The power consumed by the Impedance of the circuit is
called as Active Power
S=V*I
S=I*Z*I
S=square(I)* Z expressed in VA

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