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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
- A parallel plate air capacitor of capacitance C is connected to a cell of emf
- When a radioactive substance emits an ∝ particle, its position in the periodic table
- An object is seen through a simple microscope of focal length 12 cm.
- In a potentiometer experiment, the balancing with a cell is at length 240 cm.
- When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy
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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