How will you plot the magnetic field lines by using a small compass needle? - Physics

How will you plot the magnetic field lines by using a small compass needle?

One Line Answer

The directions indicated by the needle of the compass will help to draw the magnetic lines of force.

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Chapter 8: Electricity and Magnetism - Magnestism [Page 320]

Chapter 8 Electricity and Magnetism
Magnestism | Q 16 | Page 320

Fill in the following blank with suitable words:

Magnetic field lines leave the .......... pole of a bar magnet and enter at its .......... pole.

What is a magnetic field? How can the direction of magnetic field lines at a place be determined?

Explain why, two magnetic field lines of not intersect each other.

The figure given below shows the magnetic field between two magnets:

Copy the diagram and label theother poles of the magnets.

Which is the weaker magnet?

An electron beam enters a magnetic field at right angles to it as shown in the Figure.

The direction of force acting on the electron beam will be:

to the left
to the right
into the page
out of the page

What is an artificial magnet? State two reasons why do we need artificial magnets .

Explain what you understand by magnetic induction. What role does it play in attraction of a piece of iron by a magnet?

In following figure, draw at least two magnetic field lines between the two magnets.

(b)

______ is the number of magnetic field lines passing through a given area.