Paramagnetic substances:
A. align themselves along the directions of external magnetic field.
B. attract strongly towards external magnetic field.
C. has susceptibility little more than zero.
D. move from a region of strong magnetic field to weak magnetic field.
Choose the most appropriate answer from the options given below:
Match List I with List II:
LIST I (Y vs X) |
LIST II (Shape of Graph) |
||
---|---|---|---|
A. | Y-magnetic susceptibility X = magnetising field |
I. | |
B. | Y = magnetic field X = distance from centre of a current carrying wire for x < a (where a = radius of wire) |
II. | |
C. | Y = magnetic field $$\mathrm{X}=$$ distance from centre of a current carrying wire for $$x>\mathrm{a}$$ (where $$\mathrm{a}=$$ radius of wire) |
III. | |
D. | Y = magnetic field inside solenoid X = distance from centre |
IV. |
Choose the correct answer from the options given below :
The magnetic moment of a bar magnet is $$0.5 \mathrm{~Am}^2$$. It is suspended in a uniform magnetic field of $$8 \times 10^{-2} \mathrm{~T}$$. The work done in rotating it from its most stable to most unstable position is:
Given below are two statements:
Statement I : The diamagnetic property depends on temperature.
Statement II : The induced magnetic dipole moment in a diamagnetic sample is always opposite to the magnetizing field.
In the light of given statements, choose the correct answer from the options given below.