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A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R’, then the ratio R/R’ is - Science

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MCQ

A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R’, then the ratio R/R’ is -

Options

  • 1/25

  • 1/5

  • 5

  • 25

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Solution

25

Concept: System of Resistors - Resistors in Series
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APPEARS IN

NCERT Class 10 Science
Chapter 12 Electricity
Q 1 | Page 221
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