Kilowatt Hour Multiple Choice Questions (MCQ) PDF Download

MCQ 1: The amount of energy delivered by the power of one kilowatt in one hour is called

1. kilogram-second
2. kilowatt-second
3. watt-hour
4. kilowatt-hour

MCQ 2: A very large unit of electric energy is needed which is called

1. watt-hour
2. kilowatt-hour
3. kilogram-second
4. kilowatt-second

MCQ 3: One kilowatt-hour is equal to

1. 36×10⁵ J
2. 32×10⁵ J
3. 30×10⁵ J
4. 35×10⁵ J

MCQ 4: A 50 W television and 3 kW oven are connected to a 300 V supply. The resistance of each appliance is respectively

1. 200Ω, 20Ω
2. 1875Ω, 6Ω
3. 308Ω, 589Ω
4. 350Ω, 208Ω

MCQ 5: Find the resistance of filament of electric bulb marked as 220 V, 100 W.

1. 100 Ω
2. 380 Ω
3. 220 Ω
4. 480 Ω