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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
- A step-up transformer operates on a 230 V line and supplies a current of 2 A.
- The frequency of light ray having the wavelength 3000Å is
- If two electric bulbs have 40 W and 60 W ratings at 220 V, then the ratio
- An electric dipole of moment p is lying along a uniform electric field E. The work
- The equiconvex lens has focal length f. If it is cut perpendicular to the principal
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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