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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
- A plane electromagnetic wave of frequency 20 MHz travels through a space along
- Water flows through a pipe. The area of cross-section at one place A₁=10 cm²,
- A vibrating string of certain length l under a tension T resonates with a mode
- A body of mass 3 kg acted upon by a constant force is displaced by S meter
- A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³
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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