NEET Physics Electric Field MCQ Question
Consider a diagram where a charge Q is producing an electric field and a test charge q is placed at a point in this field. Which of the following statements correctly describes the role of the test charge q in determining the electric field at that point?
The test charge q should be large to clearly influence Q.
The test charge q should be small to avoid disturbing Q.
The test charge q should be at the same position as Q for accuracy.
The test charge q should be removed to measure the electric field.
Correct Answer
Detailed Explanation
The test charge q should be negligibly small so that it does not disturb the source charge Q while still allowing the electric field to be determined by the ratio F/q.
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