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BARC ECE 2019 : EMT Nuclear Quiz 3
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Question 1
which of the following are the examples of non-polar dielectrics?
Question 2
What is the total flux in a coil of having magnetic flux density 12 units and area 7 units?
Question 3
Hard magnetic materials have large hysteresis loss due to which of the following reasons?
Question 4
Find the energy stored in a system for four identical charges Q = 3 nc at the corners 2 m on a side.
Question 5
Given the magnetic vector potential wb/m. What will be the total magnetic flux crossing the surface , , .
Question 6
The Electric field of a uniformed plane wave in free space is given by
The magnetic field is: -
The magnetic field is: -
Question 7
Let the electric field vector of a plane electromagnetic wave propagating in a homogenous medium be expressed as , where the propagation constant is a function of the angular frequency . Assume that and are known and are real. From the information available, which one of the following CANNOT be determined?
Question 8
Which of the following statements is not a characteristic of static magnetic fields?
Question 9
A potential field exists in a region where is
Question 10
A conductor with cross-sectional area of .carrier a conductor current 2. If and , the magnitude of the displacement current density is
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