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Which of the following expressions correctly relates electrical power (P) to…
PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity
Problem
Which of the following expressions correctly relates electrical power (P) to potential difference (V) and current (I)? (a)
P
=
1
2
V
I
P = \dfrac{1}{2}\,VI
P
=
2
1
V
I
(b)
P
=
2
V
I
P = 2VI
P
=
2
V
I
(c)
P
=
V
I
P = VI
P
=
V
I
(d)
P
=
V
I
2
P = \dfrac{VI}{\sqrt{2}}
P
=
2
V
I
Related theory
Electric Power
Electricity
Electric Circuits
Electrical energy and power
Current Electricity
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