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Tamil Nadu Board of Secondary EducationHSC Science Class 12

In India electricity is supplied for domestic use at 220 V. It is supplied at 110 V in USA. If the resistance of a 60W bulb for use in India is R, the resistance of a 60W bulb for use in USA will be - Physics

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Question

In India electricity is supplied for domestic use at 220 V. It is supplied at 110 V in USA. If the resistance of a 60W bulb for use in India is R, the resistance of a 60W bulb for use in USA will be

Options

  • R

  • 2R

  • `"R"/4`

  • `"R"/2`

MCQ

Solution

`"R"/4`

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Chapter 2: Current Electricity - Evaluation [Page 119]

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Samacheer Kalvi Physics - Volume 1 and 2 [English] Class 12 TN Board
Chapter 2 Current Electricity
Evaluation | Q I. 8. | Page 119
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