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HEC ETC - USAT CS Entry Test - Physics - Current Electricity - Quiz 4

Practice 10 high yield MCQs on Physics from Chapter Current Electricity for USAT CS Entry Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 4 of the series.

31. What is the null point in a potentiometer?



32. If the balancing length for a cell is 50 cm and the potential gradient is 0.2 V/cm, what is the EMF of the cell?



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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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