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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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Topics: Alternating Current
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A wire is stretched under a force. If the wire suddenly snaps the temperature
- The velocity of sound is V, in air. If the density of air is increased to four times
- The particle executing simple harmonic motion has a kinetic energy K₀cos²ωt.
- An electric bulb has a rated power of 50W at 100 V. if it used on an a.c. source
- Two metal rods 1 and 2 of same lengths have same temperature difference
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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