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Using an ac voltmeter, the potential dif...

Using an ac voltmeter, the potential difference in the electrical line in a house is read to be 234 V. If the line freqency is known to be 50 cycles per second, the equation for the line voltage is

A

`V=165 sin (100 pit)`

B

`V=331 sin (100 pi t)`

C

`V=220 sin (100 pi t)`

D

`V=440 sin (100 pi t)`

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