1.

A 50 Hz voltage is measured with a moving iron voltmeter and a rectifier type AC voltmeter connected in parallel. If the meter readings are Va and Vb respectively. Then the form factor may be estimated as?

A. ( frac{V_a}{V_b} )
B. ( frac{1.11 V_a}{V_b} )
C. ( frac{ sqrt{2} V_a}{V_b} )
D. ( frac{ V_a}{V_b} )
Answer» C. ( frac{ sqrt{2} V_a}{V_b} )


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