Recent questions tagged properties of magnetic substances

+2 votes

1 answer

A magnet of magnetic moment M is rotated through 360 in a magnetic field H, the work done will be :

asked Apr 6, 2019 in Class 12 by kratos

+2 votes

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A bar magnet is placed in a uniform magnetic field such that its magnetic moment makes

asked Apr 6, 2019 in Class 12 by kratos

+3 votes

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The cause of dimegnetism is :

asked Apr 4, 2019 in Class 12 by kratos

+1 vote

1 answer

Compare the magnetic fields of a bar magnet and current carrying solenoid.

asked Apr 2, 2019 in Class 12 by kratos

+1 vote

1 answer

Explain paramagnetism and specify its characteristics. Write five differences between diamagnetic

asked Apr 1, 2019 in Class 12 by kratos

+3 votes

1 answer

Define angle of declination and angle of dip?

asked Mar 31, 2019 in Class 12 by kratos

+2 votes

1 answer

What are the behaviour of diamagnetic, paramagnetic and ferromagnetic substances in non-uniform magnetic field?

asked Mar 28, 2019 in Class 12 by kratos

+1 vote

1 answer

A bar magnet of length 6 cm has a magnetic moment of 4 J T^–1. Find the strength of magnetic field at a distance of 200 cm

asked Mar 26, 2019 in Class 12 by kratos

+3 votes

1 answer

Needles N1 , N2 and N3 are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively.

asked Mar 26, 2019 in JEE by kratos

+2 votes

1 answer

If a bar magnet is cut along its length in two equal parts, then what will be the change in magnetic moment of the magnet?

asked Mar 25, 2019 in Class 12 by kratos

+1 vote

1 answer

State two common uses of electromagnets.

asked Mar 25, 2019 in Class 12 by kratos

+2 votes

1 answer

An iron rod of 4 cm^2 cross-sectional area is parallel to a magnetising field

asked Mar 24, 2019 in Class 12 by kratos

+2 votes

1 answer

Define magnetic ’dip’ and ‘declination’ at a place.

asked Mar 23, 2019 in Class 12 by kratos

+3 votes

1 answer

A bar magnet is placed in a non-uniform magnetic field. The bar magnet, in general, will experience

asked Mar 16, 2019 in Class 12 by kratos

+2 votes

1 answer

Define retentivity.

asked Mar 12, 2019 in Class 12 by kratos

+1 vote

1 answer

A compass needle which is allowed to move in a horizontal plane is taken to a geomagnetic pole.

asked Mar 9, 2019 in Class 12 by kratos

+1 vote

1 answer

Where on the surface of Earth is the vertical component of Earth’* magnetic field zero?

asked Mar 8, 2019 in Class 12 by kratos

+1 vote

1 answer

What is meant by Earth'* magnetism ?

asked Mar 8, 2019 in JEE by kratos

+3 votes

1 answer

The radius of a circular coil is 0.05 m and number of turns are 100. If 0.1 A current is flowing through it, then

asked Mar 6, 2019 in Class 12 by kratos

+1 vote

1 answer

Area of hysteresis loop of any substance represent:

asked Mar 6, 2019 in Class 12 by kratos

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