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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
- An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
- The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
- If 20% of a radiactive element decays in 10 days, then amount of original material left
- α- particles, β – particles and γ – rays are all having same energy.
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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