Power Quality and Management (2180911) MCQs

MCQs of Electromagnetic Interference

Showing 1 to 10 out of 21 Questions
1.
The effects of EMI can be reduced by
(a) Suppressing emissions
(b) Reducing the efficiency of the coupling path
(c) Reducing the susceptibility of the receptor
(d) All of these
Answer:

Option (d)

2.
The ability of an electronic system to function properly in its intended electromagnetic environment and should not be a source of pollution to that electromagnetic environment is known as
(a) Susceptibility
(b) Emission
(c) Interference
(d) Electromagnetic compatibility
Answer:

Option (d)

3.
Any electrical signal present in a circuit other than the desired signal is known as
(a) Noise
(b) Distortion
(c) Interference
(d) All of these
Answer:

Option (a)

4.
Any conductor carrying electrical current has an associated _________________
(a) resistive field
(b) electrical field
(c) magnetic field
(d) capacitive field
Answer:

Option (c)

5.
Electrical circuits are carriers of __________ as well as propagators of _______________ (i) electricity (ii) static field (iii) magnetic field
(a) (i), (ii)
(b) (ii), (iii)
(c) (iii), (i)
(d) (i), (iii)
Answer:

Option (d)

6.
Which of the following component/s utilize the the electromagnetic principle?
(a) generators
(b) motors
(c) relays
(d) all of these
Answer:

Option (d)

7.
An electrical field is present whenever an electrical charge placed in a dielectric or insulating medium experiences a force acting upon it.
(a) True
(b) False
Answer:

Option (a)

8.
The unit of electrical field intensity is _________. Where , V is volt and m is meter.
(a) V/m
(b) V . m
(c) m / V
(d) V2/m
Answer:

Option (a)

9.
Electric field intensity (E) is a _____________ quantity
(a) differential
(b) vector
(c) scalar
(d) integral
Answer:

Option (b)

10.
_________________ is the number of electric lines of flux passing through a unit area.
(a) Magnetic flux density
(b) Electric flux density
(c) Magnetic flux intensity
(d) Electric flux intensity
Answer:

Option (b)

Showing 1 to 10 out of 21 Questions