NCERT · Class 8 · Science · Chemical Effects of Electric CurrentWhat happens to a magnetic compass needle placed near a wire when current flows through the wire?
Step-by-Step Solution
When electric current flows through a wire, it produces a magnetic field around it, which causes the nearby magnetic compass needle to deflect, even if the current is small.
Detailed Options Breakdown
Option : It shows no deflection
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Effects of Electric Current.
Option 1: It deflects (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: It melts
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Effects of Electric Current.
Option 3: It glows
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Effects of Electric Current.
💡 Study Guide: This question tests core syllabus concepts from Chemical Effects of Electric Current. For formulas, key summaries, and mock exam reference guides, read the full Chemical Effects of Electric Current Revision Notes.