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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 alternating voltage given as, V=100√2 sin100t V is applied to a capacitor
- If the self inductance of 500 turn coil is 125 mH, then the self inductance
- A galvanometer of 50 Ω resistance has 25 divisions. A current of 4×10⁻⁴ A gives
- The maximum velocity of a particle, executing simple harmonic motion with an amplitude
- A source of unknown frequency gives 4 beats/s, when sounded with a source harmonic
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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