Electricity and Magnetism CDS Questions

CDS Physics

Electricity and Magnetism MCQ Questions


1.
Electric charge is a fundamental property of matter that exists in which two distinct types?
A.
Positive and negative
B.
Internal and external
C.
Static and kinetic
D.
Strong and weak
😑 View Answer Rough Work Error
ANSWER :
A. Positive and negative
2.
The SI unit of electric charge is the:
A.
Coulomb
B.
Farad
C.
Volt
D.
Ampere
😑 View Answer Rough Work Error
ANSWER :
A. Coulomb
3.
Coulomb's Law, governing the electrostatic force between two point charges, states that this force is:
A.
Inversely proportional to the product of the two charges
B.
Independent of both the magnitude of the charges and the distance between them
C.
Directly proportional to the distance between the charges and inversely proportional to their product
D.
Directly proportional to the product of the two charges and inversely proportional to the square of the distance between them
😑 View Answer Rough Work Error
ANSWER :
D. Directly proportional to the product of the two charges and inversely proportional to the square of the distance between them
4.
An electric field is defined as the region of space surrounding an electric charge in which:
A.
Only magnetic materials experience any noticeable effect
B.
Gravitational forces are entirely cancelled out
C.
Any other charge placed within this region will experience a force
D.
Light is always completely absorbed
😑 View Answer Rough Work Error
ANSWER :
C. Any other charge placed within this region will experience a force
5.
Electric field intensity (or electric field strength) at a point is defined as the force experienced by:
A.
A neutral (uncharged) object placed at that point
B.
A unit negative charge placed at that point
C.
Any charge, regardless of its magnitude or sign
D.
A unit positive charge placed at that point
😑 View Answer Rough Work Error
ANSWER :
D. A unit positive charge placed at that point
6.
In a 'uniform' electric field, the electric field intensity is:
A.
The same in both magnitude and direction at every point within the field
B.
Variable in both magnitude and direction throughout the field
C.
Variable in magnitude but constant in direction
D.
Always exactly zero everywhere within the region
😑 View Answer Rough Work Error
ANSWER :
A. The same in both magnitude and direction at every point within the field