Home JEE Main - Previous Year Papers JEE MAIN 2020 PAPER-14 An iron rod of volume and relative permeabi…
JEE Main - Previous Year Papers JEE MAIN 2020 PAPER-14 Single Correct MCQ
Published on: August 22, 2026

An iron rod of volume and relative permeability 1000 is placed as core in a solenoid with 10 turns . If a current of is passed through the solenoid, then the magnetic moment of the rod will be:

A
B

C
D

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Text Solution

Verified by Experts
The correct answer is:
C

magnetic moment

turns/cm

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