CBSE · Class 10 · Science · Magnetic Effects of Electric CurrentWhich of the following correctly describes the magnetic field near a long straight wire?
Step-by-Step Solution
The magnetic field lines near a long straight current-carrying wire are concentric circles centered on the wire.
Detailed Options Breakdown
Option : The field consists of straight lines perpendicular to the wire
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Magnetic Effects of Electric Current.
Option 1: The field consists of straight lines parallel to the wire
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Magnetic Effects of Electric Current.
Option 2: The field consists of radial lines originating from the wire
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Magnetic Effects of Electric Current.
Option 3: The field consists of concentric circles centered on the wire (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
💡 Study Guide: This question tests core syllabus concepts from Magnetic Effects of Electric Current. For formulas, key summaries, and mock exam reference guides, read the full Magnetic Effects of Electric Current Revision Notes.