Magnetic Properties of Materials
Physics ⇒ Electricity and Magnetism
Magnetic Properties of Materials starts at 10 and continues till grade 12.
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See sample questions for grade 10
A student observes that a sample of copper is not attracted to a magnet. What type of magnetic material is copper?
A student places a bar of bismuth near a strong magnet and observes that it is repelled. What type of magnetic material is bismuth?
A transformer core is made of laminated soft iron. Explain why lamination is used.
Define ferromagnetism.
Describe the behavior of a paramagnetic material in an external magnetic field.
Describe the main difference between paramagnetic and diamagnetic materials.
Explain the difference between hard and soft magnetic materials.
Explain why soft iron is preferred over steel for making the core of an electromagnet.
Explain why steel is used to make permanent magnets.
Name the scientist who discovered the phenomenon of diamagnetism.
State one example each of a diamagnetic, paramagnetic, and ferromagnetic material.
What happens to the magnetic domains of a ferromagnetic material when it is magnetized?
What is meant by magnetic susceptibility?
What is the effect of temperature on the magnetic properties of ferromagnetic materials?
