Write a brief history of magnet.

English

Gujarati

Hindi

5.Magnetism and Matter

easy

Write a brief history of magnet.

Option A

Option B

Option C

Option D

Solution

The properties of attraction by a iron is called magnetism and the object with such properties posses is called a magnet.

Magnetic phenomena are universal in nature.

The Earth's magnetism predates human evolution.

Magnetism are spread across the entire universe including in our Earth.

The word magnet is derived from the name of an island in Greece called Magnesia where magnetic ore deposits were found as early as $600 \mathrm{BC}$. Shepherds on this island complained that their wooden shoes which had nails at time stayed struck to the ground. Their iron-tipped rods were similarly affected. This attractive property of magnets made it difficult for them to move around.

From the name of island magnesia, phenomena of the wooden shoes which had nails struck to the ground is 'magnet' in English.

Standard 12

Physics

Write difference between electrostatic and magnetics :

medium

Points $A$ and $B$ are situated perpendicular to the axis of a $2\,cm$ long bar magnet at large distances $X$ and $3X$ from its centre on opposite sides. The ratio of the magnetic fields at $ A$ and $B$ will be approximately equal to

medium

Two identical bar magnets with a length $10 \,cm $ and weight $50 \,gm$-weight are arranged freely with their like poles facing in a inverted vertical glass tube. The upper magnet hangs in the air above the lower one so that the distance between the nearest pole of the magnet is $3\,mm.$ Pole strength of the poles of each magnet will be…….$ amp × m$

medium

Who has first used the properties of showing the direction of the magnet and why ?

easy

The magnetic potential at a point on the axial line of a bar magnet of dipole moment $M$ is $V$. What is the magnetic potential due to a bar magnet of dipole moment $\frac{M}{4}$ at the same point

medium

Write a brief history of magnet.

Solution

Similar Questions

Write difference between electrostatic and magnetics :

Points $A$ and $B$ are situated perpendicular to the axis of a $2\,cm$ long bar magnet at large distances $X$ and $3X$ from its centre on opposite sides. The ratio of the magnetic fields at $ A$ and $B$ will be approximately equal to

Who has first used the properties of showing the direction of the magnet and why ?

The magnetic potential at a point on the axial line of a bar magnet of dipole moment $M$ is $V$. What is the magnetic potential due to a bar magnet of dipole moment $\frac{M}{4}$ at the same point

Start a Free Trial Now