CBSE Class 12 Physics Practical Syllabus Quiz
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Questions and Answers

What experiment can be conducted to find the resistance per cm of a given wire?

  • Determining the internal resistance of a given primary cell using a potentiometer
  • Comparing the emfs of two given primary cells using a potentiometer
  • Plotting a graph of potential difference versus current (correct)
  • Using a metre bridge to verify the laws of combination of resistances

    • How can the resistance of a galvanometer be determined?

  • By using a sonometer
  • By verifying the laws of combination of resistances
  • By converting the galvanometer into an ammeter
  • By the half-deflection method (correct)

    • What can be used to convert a given galvanometer into an ammeter and voltmeter of desired range?

  • The resistance per cm of a given wire
  • The specific resistance of a wire's material
  • The known resistance and figure of merit of the galvanometer (correct)
  • The laws of combination of resistances

    • What is the equation to determine the specific resistance of a wire's material using a metre bridge?

    <p>$R = rac{ ho imes l}{A}$</p> Signup and view all the answers

    What can be used to compare the emfs of two given primary cells?

    <p>A potentiometer</p> Signup and view all the answers

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