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An Electric Kettle for Use on a 230 V Supply is Rated 3000 W. for Safe Working, the Cable Connected to It Should Be Able to Carry at Least: (A) 2 a (B) 5 a (C) 10 a (D) 15 a - Science

An electric kettle for use on a 230 V supply is rated 3000 W. For safe working, the cable connected to it should be able to carry at least: 

(a) 2 A
(b) 5 A
(c) 10 A
(d) 15 A

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Solution

(d) 15 A
Current drawn by the kettle, I = `I=P/V=3000/230=13A` 
So the cable should be able to carry more current than this and hence the answer is 15 A

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APPEARS IN

Lakhmir Singh Class 10 Physics (Science)
Chapter 1 Electricity
Q 37
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