First slide

Magnetic properites of materials.

Question

When a paramagnetic substance is placed in a magnetic field, the magnetic induction inside the substance

Easy

A

remains constant
B

decreases
C

increases
D

reduces to zero

Solution

When a paramagnetic substance is placed in a magnetic field, then the internal magnetic field is stronger than the outside field. This is caused due to the presence of electrons with unpaired spins in atoms or molecules. The atom or molecule acts like a tiny mag[et. In presence of external magnetic field, the magnets tend to align with field.

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