Magnetism — Practice Quiz
Telangana Open School (TOSS) · Class 12 · Physics
Try a 4-question quiz on Magnetism for Telangana Open School (TOSS) Class 12 Physics: tap an answer to check it and see why.
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Quick Quiz: Magnetism
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Which of the following materials is an example of a ferromagnetic substance?
The region around a magnet where its influence can be felt is called:
What happens to the magnetic moment when two identical bar magnets are placed side by side with like poles together?
Gauss's law for magnetism states that the net magnetic flux through a closed surface is:
Sample Questions
Which of the following is true about magnetic field lines?
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They form closed loops, They emerge from north pole and enter south pole
Magnetic field lines form continuous closed loops, emerging from the north pole and entering the south pole externally, and continuing inside the magnet from south to north.
The angle between the geographical meridian and magnetic meridian at a place is called:
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Declination
Declination is the angle between the geographic north and magnetic north at a location.
Which of the following materials has negative magnetic susceptibility?
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Bismuth
Diamagnetic materials like bismuth have negative susceptibility, meaning they are weakly repelled by magnetic fields.
The SI unit of magnetisation is:
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Ampere/meter
Magnetisation (I) is magnetic moment per unit volume, and its SI unit is Ampere per meter (A/m).
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