Power Quiz
easy
5 Questions
Question 1 of 5
What is the SI unit of power?
Power is measured in Watts, representing energy transferred per unit of time.
Question 2 of 5
How is power (P) calculated in a DC circuit, given voltage (V) and current (I)?
Power is the product of voltage and current in a DC circuit.
Question 3 of 5
If a light bulb uses 60W of power, and is connected to a 120V source, what is the current flowing through it?
Using P=V*I, I = P/V = 60W/120V = 0.5A.
Question 4 of 5
Which of the following describes the relationship between energy (E), power (P), and time (t)?
Energy is the product of power and time, representing the total work done.
Question 5 of 5
What does a higher power rating of an appliance typically indicate?
A higher power rating means the appliance consumes energy at a faster rate.
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