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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.
Related Questions: - A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.
- The nuclei of which one of the following pairs of nuclei are isotones?
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.
- The nuclei of which one of the following pairs of nuclei are isotones?
- An electric dipole of moment p is lying along a uniform electric field E. The work
- In Young’s double slit experiment, the locus of the point P lying in a plane
- In depletion layer of unbiased P-N junction
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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