frequancy problem

frequancy problem

Postby savitapatel » Mon Nov 28, 2011 9:25 pm

A water boiler at home is swiched on to the Ac mains supply power at 230 v / 50 hz .the frequancy of instantenious power consumed by boiler is
1.0hz
2. 50 hz
3. 100 hz
4 150 hz
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Re: frequancy problem

Postby arr0nst0ne » Wed Jun 12, 2013 11:50 pm

Ans. 0Hz...coz Power has no frequency.....
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Re: frequancy problem

Postby ck_gagan » Mon Jul 01, 2013 10:20 am

savitapatel wrote:A water boiler at home is swiched on to the Ac mains supply power at 230 v / 50 hz .the frequancy of instantenious power consumed by boiler is
1.0hz
2. 50 hz
3. 100 hz
4 150 hz
[/list]


Instantaneous power has a twice of supply frequency. option 3 correct.
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Re: frequancy problem

Postby adityahridaya » Mon Jul 15, 2013 11:52 am

Instantaneous power doesn't have a frequency component as it is instantaneous..
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