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In India, electricity is supplied for domestic use at 200V. It is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in India is R, the resistance of a 60 W bulb for use in USA will be
Options
(a) R
(b) 2R
(c) R/4
(d) R/2
Correct Answer:
R/4
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The mean radius of the earth is R, its angular speed on its own axis is ?
- A galvanometer coil has a resistance of 15 ohm and gives full scale deflection
- A thin prism of angle 15⁰ made of glass of refractive index µ₁ = 1.5 is combined
- A simple pendulum oscillates in a vertical plane. When it passes through the mean
- The ratio of radii of planets A and B is K₁ and ratio of accelerations
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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