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Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series across a potential difference of 420 V. Which bulb will work at above its rated voltage
Options
(a) 40 W
(b) 60 W
(c) both 40 W and 60 W
(d) none of the bulbs
Correct Answer:
40 W
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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- An α-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic
- The r.m.s speed of the molecules of a gas in a vessel is 400 m/s
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For a simple pendulum performing simple harmonic motion, the time period
- An α-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic
- The r.m.s speed of the molecules of a gas in a vessel is 400 m/s
- The half-life period of a radio-active element X is same as the mean life time
- Three capacitors of capacitances 3 μF, 10 μF and 15 μF are connected in series
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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