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प्रश्न
How will you do this?
Determine whether a material is magnetic or non-magnetic.
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उत्तर
To determine whether a material is magnetic or non-magnetic, I will bring a magnet near it. If the material sticks to the magnet, it is magnetic; otherwise, it is non-magnetic.
संबंधित प्रश्न
Explain the meaning of the term magnetic field ?
What is declination ? Draw a diagram to show the angle between the declination and true direction of geographic north.
Draw diagrams of the artificial magnets of four different shapes?
Tick the most appropriate answer.
The surest test of magnetism is
Give a reason for the following.
Iron is a magnetic substance.
Define the following term regarding a bar magnet:
Magnetic axis
Draw the magnetic flux pattern near a bar magnet placed with its axis in the magnetic meridian and the south pole pointing towards geographic north.
Give scientific reason:
Not attraction but repulsion is a sure test of magnetism.
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
With the help of a diagram explain the following:
Magnetisation of steel needle using electric current such that the pointed end should have north polarity.
