Natural and Artificial Magnets NDA Questions

NDA Physics

Natural and Artificial Magnets MCQ Questions


13.
Which instrument is used to detect the presence of a magnetic field?
A.
Voltmeter
B.
Ammeter
C.
Galvanometer
D.
Magnetometer
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ANSWER :
D. Magnetometer
14.
What are the two types of magnetic poles?
A.
North and West
B.
South and East
C.
North and South
D.
East and West
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ANSWER :
C. North and South
15.
What is the name of the area around a magnet where its force can be felt?
A.
Magnetic field
B.
Magnetic pole
C.
Magnetic line
D.
Magnetic zone
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ANSWER :
A. Magnetic field
16.
What happens when like poles of two magnets are brought together?
A.
They attract each other
B.
They repel each other
C.
They neutralize each other
D.
They have no effect on each other
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ANSWER :
B. They repel each other
17.
What are magnetic poles?
A.
The center of a magnet
B.
The ends of a magnet where the magnetic force is strongest
C.
The sides of a magnet
D.
The temperature points of a magnet
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ANSWER :
B. The ends of a magnet where the magnetic force is strongest
18.
What is the main difference between natural and artificial magnets?
A.
Natural magnets are man-made
B.
Artificial magnets are found in nature
C.
Natural magnets occur naturally, while artificial magnets are made by humans
D.
There is no difference
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ANSWER :
C. Natural magnets occur naturally, while artificial magnets are made by humans