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An A.C source is rated at 220 V, 50 Hz. The time taken for voltage to change from its peak value to zero is
Options
(a) 50 sec
(b) 0.02 sec
(c) 5 sec
(d) 5 x 10⁻³ sec
Correct Answer:
5 x 10⁻³ sec
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a magnetic substance is kept in a magnetic field, then which of the following
- A coil has an area of 0.05 m² and it has 800 turns. It is placed perpendicularly
- λ₁ and λ₂ are used to illuminate the slits. β₁ and β₂ are the corresponding fringe
- A solid sphere is rotating in free space.If the radius of the sphere is increased
- Three resistances P,Q,R each of 2Ω and an unknown resistances S form the four arms
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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