RMS & Average Values NCERT Exemplar (Objective) Based MCQs Alternating Current Physics NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

When a voltage measuring device is connected to AC mains, the meter shows the steady input voltage of \(220~\text{V}\). This means:

1.	input voltage cannot be AC voltage, but a DC voltage
2.	maximum input voltage is \(220~\text{V}\)
3.	the meter reads not v but \(<v^2>\) and is calibrated to read \(\sqrt{<v^2>}\)
4.	the pointer of the meter is stuck by some mechanical defect

Subtopic: RMS & Average Values |

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