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Question 17Asked in RRB JE CBT-1, 19 Feb 2026, Shift 3 (4:30 PM)

A student observes that a compass needle deflects when brought near a current-

A student observes that a compass needle deflects when brought near a current- carrying wire. Using your understanding of magnetic fields, explain why this happens.
  1. AA current-carrying wire creates a magnetic field that exerts a force on the compass needle.
  2. BThe wire causes a gravitational effect moving the needle.
  3. CThe wire heats up, causing air currents to move the needle.
  4. DThe wire produces an electric force that acts on the compass needle.
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Correct answer: (A) A current-carrying wire creates a magnetic field that exerts a force on the compass needle.

From RRB JE CBT-1 PYQ 19 Feb 2026, Shift 3 (4:30 PM)

This is question 17 of RRB JE CBT-1 PYQ 19 Feb 2026, Shift 3 (4:30 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.