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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
- The electirc field in a certain region is acting radially outward and is given by E=Ar.
- An electron of mass m and a photon have same energy E. The ratio of de-Broglie
- Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
- Two positive ions, each carrying a charge q, are separated by a distance d
- Unit of electrical conductivity is
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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