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प्रश्न
Select the correct option:
A bar magnet is rubbed on a bar of steel along its length 20 times. The bar of steel gets magnetised due to the process of:
विकल्प
induction
conduction
friction
none of the these
उत्तर
conduction
APPEARS IN
संबंधित प्रश्न
The magnetic field lines:
(a) intersect at right angles to one another
(b) interest at an angle 45° to each another
(c) do not cross one another
(d) cross at an angle of 60° to one anotherv
Fill in the following blank with suitable words:
The lines of ........... round a straight current-carrying conductor are in the shape of ...........
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
Explain the following :
Several soft iron pins can cling, one below the other, from the pole of a magnet.
State whether the magnetic field lines in part (a) represent a uniform magnetic field or non-uniform magnetic field?
The magnetic field is the strongest at ____________.
Magnetic field lines determine ______.
"Magnetic field is a physical quantity that has both direction and magnitude." How can this statement be proved with the help of magnetic field lines of a bar magnet?
