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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.
Related Questions: - A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it
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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
- A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it
- Time period of the rotation of the earth about its own axis is 24 hour
- The primary of a transformer when connected to a dc battery of 10 volt draws a current
- The kirchoff’s first law (∑i=0) and second law (∑iR=∑E), where the symbols
- The velocity of molecules of a gas at temperature 120 K is v. At what temperature
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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