MP Board · Class 12 · Physics · Moving Charges and MagnetismThe magnetic field inside a long straight solenoid-carrying current $I$ with $n$ turns per unit length is:
Step-by-Step Solution
The magnetic field inside an infinitely long solenoid is uniform and given by the formula $B = \mu_0 n I$.
Detailed Options Breakdown
Option : mu_0 n I / 2
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Moving Charges and Magnetism.
Option 1: mu_0 n I (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 2 mu_0 n I
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Moving Charges and Magnetism.
Option 3: mu_0 I / n
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Moving Charges and Magnetism.
💡 Study Guide: This question tests core syllabus concepts from Moving Charges and Magnetism. For formulas, key summaries, and mock exam reference guides, read the full Moving Charges and Magnetism Revision Notes.