1
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

For a paramagnetic material, the dependence of the magnetic susceptibility $$\chi$$ on the absolute temperature is given as

A
Independent of $$\mathrm{T}$$
B
$$ X \propto \frac{1}{T^2} $$
C
$$ X \propto T $$
D
$$ X \propto\frac{1}{T} $$
2
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic susceptibility of an ideal diamagnetic substance is

A
$$-1$$
B
$$\infty$$
C
0
D
1
3
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

The percentage increase in magnetic field $$\mathrm{B}$$ when the space within a current carrying solenoid is filled with a medium of susceptibility 0.004 is

A
0.04
B
4
C
40
D
0.4
4
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Steel is preferred to soft iron for making permanent magnets because,

A
Susceptibility of steel is less than one
B
Permeability of steel is slightly greater than soft iron
C
Steel has more coercivity than soft iron
D
Steel is more paramagnetic
COMEDK Subjects
EXAM MAP