| ⇦ | 
| ⇨ |
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
- If |A x B|= √3 A.B , then the value of |A + B| is
- Which of the following atoms has the lowest ionisation potential?
- The radius of a nucleus of mass number A is directly proportional to
- A potentiometer wire is 100cm long and a constant potential difference is maintained
- The power obtained in a reactor using U²³⁵ disintegration is 1000 kW
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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