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Magnetic Effects & Magnetism

JEE Main level, single correct, medium

104 of 276

Question 104 of 276

A current I ampere flows along an infinitely long straight thin-walled tube, then the magnetic induction at any point inside the tube is

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Answer: (B) zero

Considering Ampere's loop (shown by dotted line), no current is enclosed by this loop. Therefore, the magnetic field will be zero inside the tube.

JEE Main question paper PDF

Open a shift to read the full paper on this page, or download it.

JEE Main 2025 Apr 2 Shift 1 question paper

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More Physics practice

JEE Main Physics practice question on Magnetic Effects & Magnetism (Magnetic Field), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.