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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
- Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.
- A bus is moving with a speed of 10 ms⁻¹ on a straight road
- A spring of spring constant 5 x 10³ Nm⁻¹ is streched intially by 5 cm from
- Two discs of same material and thickness have radii 0.2 m and 0.6 m.
- Two particles A and B having equal charges +6C, after being accelerated
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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