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Home » When a voltage measuring device is connected to AC mains, the meter shows the steady input voltage of 220V. This means(a) input voltage cannot be AC voltage, but a DC voltage.(b) maximum input voltage is 220V.(c) the meter reads not v but and is calibrated to read .(d) the pointer of the meter is stuck by some mechanical defect.
When a voltage measuring device is connected to AC mains, the meter shows the steady input voltage of 220V. This means
(a) input voltage cannot be AC voltage, but a DC voltage.
(b) maximum input voltage is 220V.
(c) the meter reads not v but <v_{2}> and is calibrated to read \sqrt <v_{2}>.
(d) the pointer of the meter is stuck by some mechanical defect.
Alternating Current | CBSE | Class 12 | NCERT Exemplar | Physics
When a voltage measuring device is connected to AC mains, the meter shows the steady input voltage of 220V. This means
(a) input voltage cannot be AC voltage, but a DC voltage.
(b) maximum input voltage is 220V.
(c) the meter reads not v but <v_{2}> and is calibrated to read \sqrt <v_{2}>.
(d) the pointer of the meter is stuck by some mechanical defect.

(c) the meter reads not v but <v_{2}> and is calibrated to read \sqrt <v_{2}>

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