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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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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The workdone in turning a magnet of magnetic moment M by an angle of 90⁰ from the magnetic
- The following four wires are made of the same material. Which of these will have
- The momentum of a photon of energy 1 MeV in kg m/s will be
- The drift speed of electrons in copper wire of diameter and length l is v.
- A radiactive substance emits 100 beta particles in the first 2s and 50 beta
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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