Hi friends, these are some of the multiple choice questions on electrical and magnetic properties. These are some of the basic questions which are asked in previous competitive papers check out and comment...
1) Which of the following is a natural magnet?
A) Steel
B) Magnesia
C) Lodestone
D. Soft iron
Ans:C
A) Steel
B) Magnesia
C) Lodestone
D. Soft iron
Ans:C
2) Define as that pole which when placed in air from a similar and equal pole repels it with a force of newtons
A) North pole
B) South pole
C) Unit pole
D) Magnetic pole
Ans:C
3) The point in a magnet where the intensity of magnetic lines of force is maximum
A) Magnetic pole
B. South pole
C. Noith pole
D. Unit pole
Ans:A
4) The straight line passing through the two poles of magnet is called
A) Real axis
B) Cartesian axis
C) Magnetic axis
D) Imaginary axis
Ans:C
5) The branch of Engineering which deals with the magnetic effect of electric current is known as
A) Magnetism
B) Electromagnetism
C) Electrical engineering
D) Electronics engineering
Ans:B
6) The space outside the magnet Where its pole have a force of attraction or repulsion on a magnetic pole is called
A) Magnetic field
B) Electric field
C) Electromagnetic field
D) Free Space Field
Ans:A
7) The total number of magnetic lines of force in a magnetic field is called
A) Magnetic flux
B) Magnetic flux density
C) Magnetic flux intensity
D) Magnetic potential
Ans:A
8) The phenomenon by which a magnetic substance becomes a magnet when it is place near a magnet
A) Magnetic effect
B) Magnetic phenomenon
C) Magnetic induction
D) Electromagnetic induction
Ans:C
9) Which of the following magnetic materials can be easily magnetized in both direction?
A) Soft magnetic materials
B) Hard magnetic materials
C) High hysteresis loss materials
D) Low hysteresis loss materials
Ans:A
10) Which of the following materials has permeability slightly less than that of free space?
A) Paramagnetic
B) Non- magnetic
C) Ferromagnetic
D) Diamagnetic
Ans:D
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