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Current Electricity 5 Mark Book Back Question Paper With Answer Key

12th Standard

    Reg.No. :
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Physics

Time : 01:00:00 Hrs
Total Marks : 40

    5 Marks 

    8 x 5 = 40
  1. Describe the microscopic model of current and obtain general form of Ohm’s law.

  2. Obtain the macroscopic form of Ohm’s law from its microscopic form

  3. Explain the equivalent resistance of a series and parallel resistor network.

  4. Explain the determination of the internal resistance of a cell using voltmeter.

  5. State and explain Kirchhoff ’s rules

  6. Obtain the condition for bridge balance in Wheatstone’s bridge.

  7. Explain the determination of unknown resistance using meter bridge.

  8. How the emf of two cells are compared using potentiometer?

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