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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
- A uniform plank of Young’s modulus Y is moved over a smooth horizontal surface
- An electron having charge e and mass m is moving in a uniform electric field E.
- In Bohr model of hydrogen atom, the force on the electron depends on the principal
- Electric field intensity at a point in between two parallel sheets due to like
- The diameter of the eye ball of a normal eye is about 2.5 cm. The power of the eye
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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