Physics, asked by Manenthra, 1 year ago

an electric fan of power 250W is supplied with a potential difference of 220V. calculate its energy consumption in 2 hours.

Answers

Answered by Rhithu
4
250W x 2hr
=500Whr
Please check the answer

Manenthra: Can u pls answer in kWh
Rhithu: ok
Rhithu: 0.5kWh
Rhithu: is it correct
Rhithu: ??
Manenthra: I thnk its wrong
Rhithu: electrical energy used =power x time
Rhithu: ie;250 x 2=500W
Rhithu: therefore;500Whr/1000=0.5KWhr
Rhithu: so isnt that right
Answered by DHRUV458666
0

Explanation:

hope you can convert hours into second answer will be 7200 then simply put E=P×T=18×10^4

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