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qUESTIONS

MCQs-PYQs-12th-jee

A small rod of bismuth is suspended freely between the poles of a strong electromagnet. It is found to arrange itself at right angles to the magnetic field. This observation establishes that bismuth is

MCQs-PYQs-12th-jee

Among the following properties describing diamagnetism identify the property that is wrongly stated

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]

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