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Standard VII

Physics

Heat and Electricity

Which of the ...

Question

Which of the following usually requires least power to operate?

CFLs

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100 W bulbs

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Tubelights

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Electric Oven

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Solution

The correct option is A
CFLs

Wastage of electricity can be reduced by using fluorescent tube lights in place of bulbs. Compact Fluorescent Lamps (CFLs) consume the least electricity among the given options and they can be fixed in ordinary bulb holders.

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Which of the following usually requires least power to operate?

The correct option is A CFLs Wastage of electricity can be reduced by using fluorescent tube lights in place of bulbs. Compact Fluorescent Lamps (CFLs) consume the least electricity among the given options and they can be fixed in ordinary bulb holders.

The correct option is A
CFLs

Wastage of electricity can be reduced by using fluorescent tube lights in place of bulbs. Compact Fluorescent Lamps (CFLs) consume the least electricity among the given options and they can be fixed in ordinary bulb holders.