When a voltage measuring device is connected to a.c. mains the meter shows the steady input voltage of `220 V`. This meansA. input voltage cannot be AC voltage, but a DC voltageB. maximum input voltage is 220 VC. the meter reads not v but `ltv^(2)gt` and is calibrated to read `sqrt(ltv^(2)gt)`D. the pointer of the meter is stuck by some mechanical defect.

When a voltage measuring device is connected to a.c. mains the meter s

1.	When a voltage measuring device is connected to a.c. mains the meter shows the steady input voltage of `220 V`. This meansA. input voltage cannot be AC voltage, but a DC voltageB. maximum input voltage is 220 VC. the meter reads not v but `ltv^(2)gt` and is calibrated to read `sqrt(ltv^(2)gt)`D. the pointer of the meter is stuck by some mechanical defect.
Answer» Correct Answer - C The voltmeter connected to AC mains reads mean value `v^(2)` and is calibrated in such a way that it gives value of `v^(2)` which is multiplied by from factor to given rms value.

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