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संबंधित प्रश्न
What is the meaning of the symbol kWh? Which quantity does it represent?
An electric bulb is connected to a 220 V power supply line. If the bulb draws a current of 0.5 A, calculate the power of the bulb.
Define kilowatt-hour.
Name three main characteristics of an heating element.
Household wiring for lamp connections can either be done in parallel or in series.Which one would you prefer? Give a reason for your answer.
What is the order of current drawn by appliances connected to the ‘light circuit’ of a household?
An electric heater is rated 220 V, 550 W. What does this statement mean?
A bulb is connected to a battery of e.m.f. 6V and internal resistance 2Ω A steady current of 0.5A flows through the bulb. Calculate the total energy supplied by the battery in 10 minutes.
Two bulbs are rated: bulb A 100W, 120 V bulb B 10W, 120 V. If both are connected across a 120V supply, which bulb will consume more energy, When in series? Also calculate the current through each bulb in above cases.
