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Science
10th
grade
Electric Power | Electricity | Assessment | English | Grade 10
4 questions
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- 1. Multiple Choice
What is the value of 1 unit of electricity we pay for?
3.6 × 10⁶ J
1 kW
1 Wh
3.6 × 10⁶ Js
- 2. Multiple Choice
Choose the odd one out.
VI
I²R
V²/R
IR
- 3. Multiple Choice
An iron having a power of 1.6 kW. How much energy will it consume if we operate it for half an hour?
3.6 × 10⁶ J
2.88 × 10⁶ J
1.6 kWh
1 commercial unit of electrical energy
- 4. Multiple Choice
An electric bulb having rating of 100 W is enlighten for 8 hours a day. If the cost per unit of electricity is INR 7. Then what will the amount charged against this bulb in the monthly electricity bill of January?
INR 56
INR 5600
INR 173600
INR 173.6
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