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ESE EC : Electromagnetics Champion Quiz 4

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Question 1

For distortion less transmission through LTI system phase of H(ω) is

Question 2

With regard to a transmission line, which of the following statements is correct?

Question 3

A transmission line, has a characteristic impedance (Z₀) of 600 Ω. Its length is 500 m. If the line is cut into half what will be the Z₀ for each half?

Question 4

A lossless transmission line of characteristic impedance Z₀ and length

is terminated at the load end by an open circuit. What is its input impedance Z_S?

Question 5

Which one of the following is the characteristic impedance of lossless transmission line?

Question 6

What is the characteristic impedance Z₀ of a line having resistance R, inductance L, capacitance C and conductance G?

Question 7

A quarter wave transformer can be used for matching accurately

Question 8

Poynting vector is a measure of which one of the following?

Question 9

The numerical values of the ratio of electric field intensity E and magnetic field intensity H is

Question 10

Consider the following properties of electromagnetic waves:
1. These waves do not require any material medium to propagate
2. Both electric and magnetic field vector are parallel to each other and perpendicular to the direction of propagation of waves
3. The energy in electromagnetic wave is divided equally between electric and magnetic vectors
4. Both electric and magnetic field vectors attain the maxima and minima at the same place and the same time
Which of the above properties of electromagnetic waves are correct?

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ESE & GATE EC Electromagnetics

May 24ESE & GATE EC