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An electric kettle has two heating elements. One brings it to boil in ten minutes and the other in fifteen minutes. If two heating filaments are connected in parallel, the water in kettle will boil in
Options
(a) 6 minutes
(b) 8 minutes
(c) 25 minutes
(d) 5 minutes
Correct Answer:
6 minutes
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
- Three fourth of the active material decays in a radioactive sample in 3/4 sec
- A proton of mass 1.6×10⁻²⁷ kg goes round in a circular orbit of radius 0.10 m under
- Two discs of same material and thickness have radii 0.2 m and 0.6 m.
- If sound wave travel from air to water, which of the following remains unchanged?
- The transition from the state 3 n = 3 to n = 1 in a hydrogen like atom results
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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