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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
- Two discs of moment of inertia l₁ and I₂ and angular speeds
- A body, which emits radiations of all possible wavelengths, is known as
- The parallel beams of monochromatic light of wavelength 4.5 x10⁻⁷ m passes through
- Two capacitors having capacitances C₁ and C₂ are charged with 120V and 200V batteries
- An inductor 20 mH, a capacitor 50 μF and a resistor 40Ω are connected 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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