(B) The correct answer is $B$. Attraction can occur between a magnet and a magnetic material (like iron or steel) or between opposite poles of two mag

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

(B) The correct answer is $B$. Attraction can occur between a magnet and a magnetic material (like iron or steel) or between opposite poles of two magnets. However,repulsion only occurs when like poles of two magnets face each other. Therefore,repulsion is the only conclusive test for magnetism.

Class 12 Physics Magnetism and Matter Bar Magnet and Magnetic Dipole and Magnetic Moment

Easy

If a piece of metal is thought to be a magnet,which one of the following observations would offer conclusive evidence?

A
It attracts a known magnet
B
It repels a known magnet
C
Neither $(a)$ nor $(b)$
D
It attracts a steel screw driver

Explore More

Browse All

Question Bank

All Subjects

Class 12 Questions

Class 12

Physics Questions

Chapter

Magnetism and Matter

Subtopic

Bar Magnet and Magnetic Dipole and Magnetic Moment

$A$ magnetic rod of length $L$ has a magnetic dipole moment $M$. If it is bent into a semicircle,what will be its new magnetic dipole moment?

Difficult

View Solution

Two similar bar magnets $P$ and $Q$,each of magnetic moment $M$,are taken. If $P$ is cut along its axial line and $Q$ is cut along its equatorial line,all the four pieces obtained have:

Medium

View Solution

Two points $A$ and $B$ are situated at a distance $x$ and $2x$ respectively from the nearer pole of a magnet $2 \ cm$ long. The ratio of the magnetic field at $A$ and $B$ is

Easy

View Solution

$A$ magnetized wire of magnetic moment $M$ and length $L$ is bent into an arc of a circle subtending an angle of $60^{\circ}$ at the center. The new magnetic moment is:

Difficult

View Solution

If a hole is made at the centre of a bar magnet,then its magnetic moment will

Easy

View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo

If a piece of metal is thought to be a magnet,which one of the following observations would offer conclusive evidence?

Similar Questions

$A$ magnetic rod of length $L$ has a magnetic dipole moment $M$. If it is bent into a semicircle,what will be its new magnetic dipole moment?

Two similar bar magnets $P$ and $Q$,each of magnetic moment $M$,are taken. If $P$ is cut along its axial line and $Q$ is cut along its equatorial line,all the four pieces obtained have:

Two points $A$ and $B$ are situated at a distance $x$ and $2x$ respectively from the nearer pole of a magnet $2 \ cm$ long. The ratio of the magnetic field at $A$ and $B$ is

$A$ magnetized wire of magnetic moment $M$ and length $L$ is bent into an arc of a circle subtending an angle of $60^{\circ}$ at the center. The new magnetic moment is:

If a hole is made at the centre of a bar magnet,then its magnetic moment will

Vedclass Test Series

Exam Paper Generator

Online Exam Module