# MCQ TEST | Chapter 7: Electromagnetic Interference (PQM) | Electrical Engineering Quiz | Important For Final year GTU Exam 2020

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Hello Dear GTU Students, Here we provide MCQ test For your upcoming Final Year Exam 2020. Today we provide test for Power Quality and Management Subject of Electrical Engineering Department. Today we cover MCQ for Chapter 7: Electromagnetic Interference. This MCQ test is very useful for your upcoming final year exam.

## Chapter 7: Electromagnetic Interference (PQM) (Electrical Engineering)

Radiated interference is a computation level of EMI propagated in _______.

A. Water
B. Air
C. Conducted Medium
D. Transmission Line

Explanation:

Conducted Interference is a computation level of EMI propagated ________.

A. Water
B. Air
C. Conducted Medium
D. Transmission Line

Explanation:

________ is the ration by which common mode signal is rejected.

A. Rectification
B. Decibel
C. Attenuation
D. CMRR

Explanation:

Common mode noise can be bothersome in low power equipments if its converted to ______.

A. transverse mode
B. Normal mode
C. reverse mode
D. inverted mode

Explanation:

Shielding is _______ to avoid unwanted noise from relating with a susceptible piece of equipment.

A. Metal enclosure
B. Wire Shield
C. Magnetic enclosure
D. iron net

Explanation:

Electromagnetic Interference is caused by

A. Lightning
B. Atmosphere causes
C. A and B
C. None of the above

Explanation:

Which of the following sentence is true about the effect of EMI?

A. Biological Hazards
B. Blaze out of susceptible components
D. All of above

Explanation:

Attenuation measured in ______.

A. candela (cd)
B. Decibels (dB)
C. second (s)
D. mole (mole)

Explanation: Attenuation is the loss of signal strength in networking cables or connections. This typically is measured in decibels (dB).

Conducted Emission is measured in __________.

A. mV
B. µV
C. A and B
D. None of the above

Explanation:

What is equation of Electrical Field Intensity (E)?

A. F/A
B. F/m
C. F/q
D. D/E

Explanation: The space around an electric charge in which its influence can be felt is known as the electric field. The electric field Intensity at a point is the force experienced by a unit positive charge placed at that point.
Electric Field Intensity is a vector quantity.
It is denoted by ‘E’.
Formula: Electric Field = F/q.
Unit of E is NC-1 or Vm-1.

Permeability is the relation between magnetic flux density and magnetic field intensity.

A. True
B. False