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Whether it is possible that a magnet has No poles.

Important Questions on Magnetism and Matter

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Gamma Question Bank for Medical Physics>Chapter 20 - Magnetism and Matter>Assignment Set-1>Q 43
Whether it is possible that a magnet has two similar poles
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Gamma Question Bank for Medical Physics>Chapter 20 - Magnetism and Matter>Assignment Set-1>Q 43
Whether it is possible that a magnet has three poles
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Gamma Question Bank for Medical Physics>Chapter 20 - Magnetism and Matter>Assignment Set-1>Q 46
How does a paramagnetic material behave in the presence of an external magnetic field? Explain with the help of an appropriate diagram.
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Gamma Question Bank for Medical Physics>Chapter 20 - Magnetism and Matter>Assignment Set-1>Q 48
The susceptibility of iron is greater than that of aluminium. What do you infer from this?
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Gamma Question Bank for Medical Physics>Chapter 20 - Magnetism and Matter>Assignment Set-1>Q 49
Two small magnets are placed horizontally perpendicular to the magnetic meridian. Their north poles are at 30 cm east and 20 cm west from a compass needle. If the compass needle remains undeflected, compare the magnetic moments of the magnets.
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Gamma Question Bank for Medical Physics>Chapter 20 - Magnetism and Matter>Assignment Set-1>Q 51
Distinguish between diamagnetic and ferromagnetic substances in respect of (i) intensity of magnetisation, (ii) behaviour in a non-uniform magnetic field and (iii) susceptibility.
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Gamma Question Bank for Medical Physics>Chapter 20 - Magnetism and Matter>Assignment Set-1>Q 51
If actual angle of dip at a place is δ and δ1, δ2 are apparent angles of dip in two mutually perpendicular planes, then prove that cot2δ=cot2δ1+cot2δ2.
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Gamma Question Bank for Medical Physics>Chapter 20 - Magnetism and Matter>Assignment Set-1>Q 53
A solenoid of 500  turns per meter is carrying current of 3 A. Its core is made of iron, which has a relative permeability of 5000. Determine the magnitude of magnetic intensity, intensity of magnetisation and magnetic field inside the core.