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Which expression correctly represents the electrical power developed in a circuit…
PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity
Problem
Which expression correctly represents the electrical power developed in a circuit having potential difference
V
V
V
across its ends and current
I
I
I
flowing through it? (a)
P
=
−
V
I
P = -VI
P
=
−
V
I
(b)
P
=
V
I
2
P = \dfrac{VI}{2}
P
=
2
V
I
(c)
P
=
V
I
P = VI
P
=
V
I
(d)
P
=
2
V
I
P = \sqrt{2}\,VI
P
=
2
V
I
Related theory
Electric Power
Electrical power and energy
Electricity
Electric Circuits
Electrical energy and power
Current Electricity
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