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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.
Related Questions: - A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it
- A step-up transformer operates on a 230 V line and supplies a current of 2 A.
- A body of mass m=3.513 kg is moving along the x-axis with a speed of 5 m/s
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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 body of length 1 m having cross-sectional area 0.75 m² has heat flow through it
- A step-up transformer operates on a 230 V line and supplies a current of 2 A.
- A body of mass m=3.513 kg is moving along the x-axis with a speed of 5 m/s
- A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³
- In an unbiased p-n junction, holes diffuse from the p-region to n-region because of
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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