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Two 220V – 100W bulbs are connected first in series and then in parallel. Each time the combination is connected to 220 V AC supply line. The powers drawn by the combination in each case respectively will be
Options
(a) 100W and 50W
(b) 200W and 150W
(c) 50W and 200W
(d) 50W and 100W
Correct Answer:
50W and 200W
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
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
- When ultraviolet rays are incident on metal plate, then photoelectric effect
- A comb run through one’s dry hair attracts small bits of paper. This is due to
- A spring of spring constant 5 x 10³ N/m is stretched initially by 5 cm
- An electric dipole of dipole moment p is placed in a uniform external electric field
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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