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- An electric heater and an electric bulb are rated 500W. 220V and 100W,...
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- Two heatere are marked 200V, 300W and 200V, 600W. If the heaters are c...
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- Three identical resistors, each of resistance R, when connected in ser...
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- In the circuit shown in Fig.6.1, each of the three resistors of 4Omega...
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- Find the heat produced per minute in each of the resistors shown in fi...
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- A 2H.P. electric motor working on 220V mains runs for 6hours a day. If...
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- A house is fitted with 20lamps of 60W each, 10fans consuming 0.5A each...
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- There are two electric bulbs rated 60W. 110V and 100W, 110V. They are ...
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- Twenty one electric bulbs are connected in series with the mains of a ...
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- Find the resistance of 240 V - 200 watt electric bulb when glowing. If...
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- A thin metallic wire of resistance 100Omega is immersed in a calorimet...
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- A copper electric kettle weighing 1000 g contains 900g of water at 20^...
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- A coil of enamelled copper wire of resistance 50Omega is embedded in a...
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- The heater coil of an elecric kettle is rated at 2000W,200V, How much ...
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- A heating coil is connected in series with a resistance r. the coil is...
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- A 10V battery of negligible internal resistance is charged by a 200V d...
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- A dry cell of emf 1.6V and internal resistance 0.10 ohm is connected ...
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- A dry cell of emf 1.5V and internal resistance 0.10 Omega is connecte...
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- A series battery of 10 lead accumulators each of emf 2V and internal r...
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- A series battery of 6 lead accumulators each of emf 2.0V and internal ...
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