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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 planar coil having 12 turns carries 15 A current. The coil is oriented with respect
- The most important characteristic of electron in the production of X-rays is
- If liquid level falls in a capillary then radius of capillary will be
- The ratio of the dimensions of planck’s constant and that of the moment of inertia is
- An engine pumps water continuously through a hose. Water leaves the hose
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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