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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
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The total kinetic energy of a body of mass 10 kg and radius 0.5 m moving with a velocity
- A nucleus with mass number 220 initially at rest emits an α-particle. If the Q-value
- The power obtained in a reactor using U²³⁵ disintegration is 1000 kW
- In radioactive element, β-rays are emitted from
- Light emitted during the de excitation of electron from n=3 to n=2, when incident
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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