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JEE Physics · Medium

Current Electricity: Ammeter Error MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Ammeter ErrorMediumQuestion 31672

Question

Connecting an ammeter with non-zero resistance in a circuit causes the measured current to be:
  1. A
    Higher than actual
  2. B
    Lower than actual
    Correct
  3. C
    Same as actual
  4. D
    Zero

Correct answer

Lower than actual

Explanation

The ammeter adds resistance to the circuit, reducing total current. A real ammeter always under-reads compared to the ideal case.

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