Test: Electromagnetic Field Theory - 6 - Electronics and Communication Engineering (ECE) MCQ
25 Questions MCQ Test Electromagnetics - Test: Electromagnetic Field Theory - 6
Consider an arbitrary distribution of conducting bodies in a charge free space according to the uniqueness theorem, which of following are required to be specified in order that the field is uniquely determined everywhere?
- Total charge on each conductor
- Potential at each conductor surface
- Potential at same of conductor and total charge on the remainder
- Total charge as well as potential gradient on each conductor surface
Select the correct answer using the codes given below codes
The attenuation constant in case of a transmission line is
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Which of the following is a better propagation mode to propagate television frequency modulation and radar signals?
For a rectangular waveguide (a x b, a > b) to support only the TE10 mode at wavelength which one of the following pairs of in equalities is to be satisfied?
The energy stored in an electric field is given by
For infinite value of SWR on a transmission line, the line be terminated with impedance as
An electromagnetic wave incident on a perfect conductor is
Surface integral of the electric field intensity is
The essential condition for antenna array to be linear is that
The fluctuation in the received signal strength at the receiver of a random variation in the received signal is known as
The attenuation in waveguides near the cut off frequency is
The ground waves eventually disappear as one moves away from the transmitter because of
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The length of a λ/2 antenna in feet is given by the relation
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The velocity of electromagnetic wave in free space is given by
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11 videos|64 docs|89 tests
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