If a bulb of 100 watt burns for 10 hours, the expenditure of electricity will be –

15 bulbs, each of 200 watt capacity in a Silkyata tunnel are illuminated continuously for 24 hours. The consumption of electricity will be -

A 100 W electric bulb is used for 10 hours a day. How many units of electrical energy are consumed by the bulb in 3 days ? (1 unit = 1 kWh)

Which of the following is the best conductor of electricity?

Which of the following liquids is a bad conductor of electricity?

Electricity consumption bill is based on the measurement of –