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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 body of mass m hangs at one end of a string of length l, the other end of which
- Three particles A,B and C are thrown from the top of a tower with the same speed.
- Consider the following two statements about Kirchhoff’s law
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
- Kepler’s third law states that square of period of revolution (T) of a planet
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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