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Question 4: NCERT Solutions for 12th Class Physics: Chapter 3-Current Electricity

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Question 4: NCERT Solutions for 12th Class Physics: Chapter 3-Current Electricity

(a) Three resistors 2Ω, 4Ω and 5Ω are combined in parallel. What is the total resistance of the combination?
(b) If the combination is connected to a battery of emf 20 V and negligible internal resistance. Determine the current through each resistor, and the total current drawn from the battery.

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1 Answer

  1. Solution:
    (a) Total resistance of the combination in parallel

    (b) Potential of 20 V will be same across each resistor, so current

    Check the complete chapter with solutions.

    NCERT Solutions for 12th Class Physics: Chapter 3-Current Electricity