Force on a Moving Charge in Uniform Magnetic and Electric Fields NEET Questions

Physics - Magnetic Effects of Current and Magnetism

Force on a Moving Charge in Uniform Magnetic and Electric Fields MCQ Questions


7.
A charged particle moving parallel to a uniform magnetic field experiences

NEET - 2017

A.
A force opposite to its motion
B.
A force perpendicular to its motion
C.
No force
D.
A force along its motion
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ANSWER :
C. No force
8.
Which quantity remains unchanged when a charged particle moves in a uniform magnetic field?
A.
Speed
B.
Momentum
C.
Energy
D.
Direction
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ANSWER :
A. Speed
9.
What is the SI unit of the magnetic force acting on a charged particle?
A.
Tesla
B.
Newton
C.
Joule
D.
Coulomb
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ANSWER :
A. Tesla
10.
A particle of charge q moves with velocity v in a magnetic field B such that v and B are not perpendicular. What will be the trajectory?
A.
Straight line
B.
Helical
C.
Circular
D.
Elliptical
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ANSWER :
B. Helical
11.
The SI unit of the magnetic force acting on a charge is

NEET - 2016

A.
Newton
B.
Tesla
C.
Weber
D.
Volt
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ANSWER :
A. Newton
12.
If a charged particle moves in a uniform electric field, what type of motion does it execute?
A.
Circular
B.
Parabolic
C.
Helical
D.
Oscillatory
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ANSWER :
B. Parabolic