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Two bulbs when connected in parallel to a source take 60W each, the power consumed, when they are connected in series with the same source is
Options
(a) 15W
(b) 30W
(c) 60W
(d) 120W
Correct Answer:
30W
Explanation:
In series, P = P₁P₂ / P₁+P₂
Given: P₁ = P₂ = 60
Therefore, Power P = (60 × 60) / (60 × 60) = 30 W.
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The unit of thermal conductivity is
- A 1 µA beam of protons with a cross-sectional area of 0.5 sq.mm is moving with a velocity
- Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds
- Acceleration of a particle, executing SHM, at its mean position is
- A plane polarised light is incident normally on a tourmaline plate. Its E vector make
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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