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An electric lamp is connected to 220 V, 50 Hz supply. Then the peak voltge is
Options
(a) 210 V
(b) 211 V
(c) 311 V
(d) 320 V
Correct Answer:
311 V
Explanation:
Measurement of A.C voltage gives the rms values.
V(rms) = 220 V
Peak value Vm = V(rms) √2 = √2 (220 V) = 311 V.
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Topics: Alternating Current
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A force of 5 N is acting on an object. Displacement of object is 10 m and the work done
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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