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June 23rd, 2014, 08:52 AM
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IETE AMIETE-ET (Old Scheme) Electromagnetic And Radiation Engineering Exam paper

Can you give me question paper for IETE AMIETE-ET (Old Scheme) Electromagnetic And Radiation Engineering Examination ?

Here I am giving you question paper for IETE AMIETE-ET (Old Scheme) Electromagnetic And Radiation Engineering Examination in PDF file attached with it so you can get it easily..

Q.1 Choose the correct or the best alternative in the following: (2×10)
a. By saying that the electrostatic field is conservative, we do not mean that
(A) It is gradient of a scalar potential.
(B) The work done in a closed path inside the field is zero.
(C) Its curl is identically zero.
(D) The potential difference between any two points is zero.

b. One of the following is not the a source of magnetic fields
(A) A dc current in a wire.
(B) A permanent magnet.
(C) An accelerated charge.
(D) An electric field linearly changing with time.

c. Maxwell’s divergence equation for the magnetic field is given by
(A) 0 B = × Ñ (B) . 0 B Ñ =
(C) r = × Ñ B (D) .B r Ñ =
d. The electric and magnetic fields of an electromagnetic wave are related to one
another by
(A) They move in the same speed in the same direction.
(B) They are always perpendicular to one another.
(C) They are both perpendicular to the direction of propagation.
(D) All of the above.

e. A 50 lossless transmission line is terminated in 100 load and excited by
a 30 MHz source of internal resistance of 50 . What should be the length of
the transmission line for maximum power transfer
(A) 5.0 m (B) 1.25 m
(C) 2.5 m (D) 10.0 m

f. In which one of the following modes, transmission will be supported by a
rectangular wave guide?
(A)
10
TE (B) 11
TE
(C) 11
TM (D) 10
TM

g. An antenna located in a city is a source of radio waves. How much time
does
it take the wave to reach a town 12,000 Km away from the city?
(A) 36s (B) 20 µs
(C) 20ms (D) 40ms

h. In Sky wave propagation, sky distance is used
(A) so as not to exceed the critical frequency.
(B) to avoid the Faraday effect.
(C) to prevent sky wave & upper ray interference.
(D) to obey tilting.

j. Which of the following is scalar quantity?
(A) Electric field strength (B) Electric potential
(C) Electric displacement density (D) Force





Last edited by Neelurk; March 27th, 2020 at 01:56 PM.
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