Which statement describes how electrical power is calculated?
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Answer:
D. Power is the product of voltage and current.
Explanation:
Electrical power is derived from the product of current and voltage;
Power = current x voltage = I V
I is the current
V is the voltage
R is the resistance
Now;
V = IR;
So;
Power = I x (IR) = I²R
Also,
Power = [tex]\frac{V^{2} }{R}[/tex]
The right choice is D