Magnetic Field MCQs : This section focuses on the "Magnetic Field". These Multiple Choice Questions (MCQs) should be practiced to improve the Magnetic Field skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Can we see magnetic flux lines?
A. Yes
B. No
C. Depends on the strength of the field
D. Only when the field strength is very large
Question 2
How can a magnetic field be produced?
A. Using a permanent magnet
B. Electric current
C. Using a temporary magnet
D. Using a permanent magnet or electric current
Question 3
If the flow of electric current is parallel to the magnetic field, the force will be ______
A. Zero
B. Infinity
C. Maximum
D. Half the original value
Question 4
Magnetic Field lines move from _______
A. North to south
B. South to north
C. West to east
D. East to west
Question 5
The ratio of magnetic force to electric force on a charged particle getting undeflected in a field is?
A. 1
B. 0
C. 2
D. 4
Question 6
Weakest force in nature is?
A. Electric force
B. Gravitational force
C. Weak force
D. Magnetic force
Question 7
What is the magnetic field outside a solenoid?
A. Infinity
B. Half the value of the field inside
C. Double the value of the field inside
D. Zero
Question 8
When a charged particle moves at right angles to the magnetic field, the variable quantity is?
A. Momentum
B. Speed
C. Energy
D. Moment of inertia
Question 9
What is the strength of magnetic field known as ________
A. Flux
B. Density
C. Magnetic strength
D. Magnetic flux density
Question 10
Which, among the following qualities, is not affected by the magnetic field?
A. Moving charge
B. Change in magnetic flux
C. Current flowing in a conductor
D. Stationary charge