Q1 Basic source of magnetism is
- (a) Charged particles alone
- (b) movement of charged particles
- (c) magnetic dipoles
- (d) magnetic domains
- (b) movement of charged particles
Q2 A charge q is moving in a magnetic field, then the magnetic force does not depend upon
- (a) Charge
- (b) mass
- (c) velocity
- (d) magnetic field
- (b) mass
Q3 The ratio of intensity of magnetization to the magnetizing force is called____
- a) Coercivity
- b) Hysteresis
- c) Magnetic susceptibility
- d) Magnetic Moment
- c) Magnetic susceptibility
Q4 If magnetic moment of a substance is zero, then substance is
- (a)Diamagnetic
- (b) paramagnetic
- (c) ferromagnetic
- (d) antiferromagnetic
- (a)Diamagnetic
Q5 Magnetic susceptibility for diamagnetic material is
- (a) Small and negative
- (b) small and positive
- (c) large and positive
- (d) large and negative
- (a)Small and negative
Q6 Which of the following is diamagnetic substance
- (a)Nickel
- (b) cobalt
- (c) platinum
- (d) water
- (d) water
Q7 A bar of paramagnetic material is placed in a strong external magnetic filed. Then, the field inside it is likely to
- (a) Remain the same
- (b) increase
- (c) vanish completely
- (d) decrease
- (b) increase
Q8 Permeability of paramagnetic substances is
- (a) Zero
- (b) Unity
- (c) More than unity
- (d) Less than unity
- (c) More than unity
Q9. Relative magnetic permeability is unit less.
- a) True
- b) False
- a) True
Q10 A diamagnetic substance obeys curie law
- a) True
- b) False
- b) False
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