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Earn 100

A bar magnet of magnetic dipole moment 12 A m2 has magnetic length 48 cm. Calculate the pole strength.

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 No 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 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 44
Name parts of earth's magnetic elements.
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Gamma Question Bank for Medical Physics>Chapter 20 - Magnetism and Matter>Assignment Set-1>Q 45
Find work done in rotating a magnetic dipole from its stable equilibrium position to unstable equilibrium position.
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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 47
A magnetising field of 1600 A m-1 produces a magnetic flux of 4.8×10-5 Wb in an iron bar of cross-sectional area 0.4 cm2. Calculate its Magnetic permeability
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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?