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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
- In the reaction ₉₂U²³⁴→₈₇Y²²², how many α-particle and β-particles are emitted
- 64 drops of mercury, each charged to a potential of 10 V, are combined
- If the red light is replaced by blue light illuminating the object in a microscope
- A bar magnet of moment of inertia I is vibrated in a magnetic field of induction
- The time period of a mass suspended from a spring is T. If the spring is cut into four
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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