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JEE Main Physics Class 12 Magnetism and Matter Questions

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Question : 8

Total: 80

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R
Assertion A : Electromagnets are made of soft iron.
Reason R : Soft iron has high permeability and low retentivity.
In the light of above, statements, chose the most appropriate answer from the options given below.

[8-Apr-2023 shift 2]

A is correct but R is not correct
Both A and R are correct and R is the correct explanation of A
Both A and R are correct but R is NOT the correct explanation of A
A is not correct but R is correct

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