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qUESTIONS

MCQs-PYQs-12th-jee

Which one of the following is not a characteristic of diamagnetism?

MCQs-PYQs-12th-jee

The variation of the intensity of magnetisation (I) with respect to the magnetising field (H) in a diamagnetic substance is described by the graph.

MCQs-PYQs-12th-jee

The magnetic susceptibility of paramagnetic materials is

MCQs-PYQs-12th-jee

The relative permeability is represented by μr and the susceptibility is denoted by χ for a magnetic substance. Thenfor a paramagnetic substance

MCQs-PYQs-12th-jee

The variation of magnetic susceptibility (x) with magnetisingfield for a paramagnetic substance is

MCQs-PYQs-12th-jee

Which of the following statements is true for the three types of magnetism – para, dia and ferro as

MCQs-PYQs-12th-jee

An iron rod of length L and magnetic moment M is bent in the form of a semicircle. Now its magnetic moment will be [2013]

MCQs-PYQs-12th-jee

Following figures show the arrangement of bar magnets in different configurations. Each magnet has magnetic dipole moment m. Which configuration has highest net magnetic dipole moment[2014]

MCQs-PYQs-12th-jee

A bar magnet is held perpendicular to a uniform magnetic field. If the couple acting on the magnet is to be halved by rotating it, then the angle by which it is to be rotated is[2000]

MCQs-PYQs-12th-jee

A stream of electrons is projected horizontally to the right .A straight conductor carrying a current is supported parallel to the electron stream and above it. If the current in the conductor is from left to right, what will be the effect on the electron stream?

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