Bar Magnet(equivalent solenoid, magnetic field lines,... ) NEET Questions

Physics - Magnetic Effects of Current and Magnetism

Bar Magnet(equivalent solenoid, magnetic field lines,... ) MCQ Questions


13.
The torque acting on a bar magnet in a uniform magnetic field is maximum when the angle between the magnetic moment and field is:
A.
0°
B.
90°
C.
45°
D.
180°
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ANSWER :
D. 180°
14.
Which of the following substances is paramagnetic?
A.
Copper
B.
Aluminium
C.
Zinc
D.
Sodium
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ANSWER :
B. Aluminium
15.
The magnetic susceptibility of a paramagnetic substance is

NEET - 2019

A.
Positive and very large
B.
Positive and small
C.
Negative and small
D.
Zero
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ANSWER :
B. Positive and small
16.
Which of the following substances is diamagnetic?
A.
Iron
B.
Bismuth
C.
Nickel
D.
Gold
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ANSWER :
D. Gold
17.
Which of the following substances is ferromagnetic?
A.
Cobalt
B.
Iron
C.
Silver
D.
Steel
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ANSWER :
B. Iron
18.
The magnetic susceptibility of a diamagnetic substance is:
A.
Positive
B.
Negative
C.
Zero
D.
Very high
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ANSWER :
B. Negative