Same chapter3 marksDifficulty: Medium
Why are the connecting wires in a circuit made thick and short, while the element of a heater is made long and thin?
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3 marksDifficulty: Medium
An appliance of power 1.5 kW is used for 4 hours a day for 30 days. Calculate the energy consumed in kilowatt hours.
Original Khojo Papers practice question — not from a past board paper.
Answer
180 kWh
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Energy = 1.5 × 4 × 30 = 180 kWh.
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