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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: - Initial pressure and volume of a gas are P and 800cc. If the final volume is 100cc
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
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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
- Initial pressure and volume of a gas are P and 800cc. If the final volume is 100cc
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
- In R-L-C series circuit, the potential differences across each element is 20 V.
- The radius of a ball is(5.2±0.2)cm.The percentage error in the volume of the ball
- An ac voltage is applied to a resistance R and an inductor L in series
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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