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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} ) | |