Easy
What is a hard ferromagnetic substance?
- A$A$ substance that is easily magnetized and demagnetized.
- B$A$ substance that retains its magnetism even after the external magnetic field is removed.
- C$A$ substance that has high magnetic permeability and low retentivity.
- D$A$ substance that is used to make temporary magnets.
Explore More
Similar Questions
The permanent magnet is made from which one of the following substances?
Easy
View SolutionTo protect an instrument from an external magnetic field,it is completely surrounded by:
Which of the following is most suitable for the core of electromagnets?
Which of the following is desirable for making permanent magnets?
Given below are two statements:
Statement-$I$: Susceptibilities of paramagnetic and ferromagnetic substances increase with decrease in temperature.
Statement-$II$: Diamagnetism is a result of orbital motions of electrons developing magnetic moments opposite to the applied magnetic field.
Choose the $CORRECT$ answer from the options given below:
Statement-$I$: Susceptibilities of paramagnetic and ferromagnetic substances increase with decrease in temperature.
Statement-$II$: Diamagnetism is a result of orbital motions of electrons developing magnetic moments opposite to the applied magnetic field.
Choose the $CORRECT$ answer from the options given below:
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo