Question Detail

PHY 102 Test Compilation PHY 102 19 Objective Question

Question

One kilowatt hour of electrical energy is the same as
Options
A 3.6 × 10⁶ watts
B 3.6 × 10⁶ ergs
C 3.6 × 10⁶ joules
Correct Answer
D 3.6 × 10⁶ BTU
Correct Answer

Option C is the correct answer.

Detailed Explanation

1 kWh = 1000W × 3600s = 3,600,000 J = 3.6×10⁶ joules.

Hint

Convert kilowatt-hours to base SI units: multiply kilowatts (in watts) by the number of seconds in an hour.

Question Info