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Heating Effect of Current

An electric k...

Question

An electric kettle is rated 3 kW, 250 V. Give reason whether this kettle can be used in a circuit which contains a fuse of current rating 13 A.

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Solution

Yes, this kettle can be used in a circuit which contains a 13 A fuse because the safe limit of current for kettle is,

$I = \frac{3000 W}{250 V} = 12 A$

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