P4 power, fuses, ohms law, earthing (1)

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18 SECTION C – Module P4 9

This question is about current and static electricity. (a) Zara has a vacuum cleaner. It has a power rating of 1200 W. It is connected to the 230 V mains. (i)

Calculate the current to the vacuum cleaner when it is switched on. Give your answer to two significant figures. ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... answer ................................................. A

(ii)

[2]

Fuses are available in values of: 3A

5A

10 A

13 A

Which fuse should be fitted in the plug of the vacuum cleaner? answer ................................................. A

Š OCR 2014

[1]


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