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A resistance of 20 ohm is connected to a source of an alternating potential V=220 sin (100 πt). The time taken by the current to change from its peak value to r.m.s value is
Options
(a) 2.5 x 10⁻³ sec
(b) 0.25 sec
(c) 25 x 10⁻³ sec
(d) 2.5 sec
Correct Answer:
2.5 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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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The device can act as a complete electronic circuit is
- The product of pressure and volume hve thesame units as the product of
- A capacitor is used to store 24 watt hour of energy at 1200 volt.
- A rod of weight W is supported by two parallel knife edges A and B is in equilibrium
- A coin placed on a rotating turn table just slips,if it is placed at a distance
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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