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An electrical appliance of power 2KW …

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An electrical appliance of power 2KW works at potential difference of 220V . does it require fuse of 5A, give reason

Posted by Pooja Kumari ?????? 5 years, 8 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 8 months ago

The power of the electrical appliance = 2kw (when changed to watts it shall be 2000w)

The potential difference= 220v

Since, I=P/V, we will observe

2000/220= 9.09v

Thus, the electrical appliance requires a fuse of more than 5A else, with 9.09v the electric fuse will melt and the circuit will get broken, as it is drawing more current than its safe limit.

1Thank You

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