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NTS - NAT IGS Test - Physics - Current Electricity - Quiz 3

Practice 10 high yield MCQs on Physics from Chapter Current Electricity for NAT IGS Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 3 of the series.

21. When current flows through a cell, terminal voltage is:



22. What does Kirchhoff's second law state?



23. At a junction, I₁=2A enters, I₂=3A enters, and I₃ leaves. What is I₃?



24. What is the application of Kirchhoff's laws?



25. What is true about current in a series circuit?



26. What is a Wheatstone bridge used for?



27. What is the balance condition for a Wheatstone bridge?



28. What happens to the galvanometer current when the Wheatstone bridge is balanced?



29. Which instrument uses the Wheatstone bridge principle?



30. What is a potentiometer used for?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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