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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 drift speed of electrons in copper wire of diameter and length l is v.
- A ball is thrown vertically downwards from a height of 20 m with an initially
- Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
- Laser beams are used to measure long distance because
- A beam of cathode rays is subjected to crossed Electric (E) and Magnetic fields (B)
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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