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ICSE Class 9 Physics Question 14 of 18

Current Electricity — Question 10

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10
Question

Question 10

The resistance of a conductor would be ............... if a current of 2 A flows through it when the potential difference across its ends is 2 volt.

  1. 2Ω
  2. 0Ω
  3. 1Ω
  4. 4Ω
Answer

1Ω

Reason — As, R = VI\dfrac{\text{V}}{\text{I}}

I = 2A
V = 2 volt

Hence, R = 22\dfrac{2}{2} = 1Ω