Electromagnetic-theory Questions Set 53:
Find the ratio of the refractive index of medium 1 to medium 2 when the Brewster angle is 37°.
Solution:
The magnetic field required to reduce the residual magnetism to zero is called
Solution:
The magnetic field near a current-carrying conductor is given by which law?
Solution:
Calculate the power per unit velocity of a wave with electric field of 11 units and density of 15 units.
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A lossless antenna is fed with 5.4 mW of power and has a directive gain of 10 dB. Find the total power radiated by the antenna.
Solution:
Which type of DC motor has the maximum self-loading property?
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Two parallel plates separated by a distance D are charged with a potential difference of V volts. The electric field intensity E between the plates is given by:
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Calculate the power of a wave when the RMS (root-mean-square) values of the electric field (E) and magnetic field (H) are given as 8 and 12.5 respectively.
Solution:
Which one of the following is not a function of pole shoes in a D.C. machine?
Solution:
Identify the type of polarization of the given electromagnetic wave:
Ex = 8 cos(ωt) and Ey = 3 cos(ωt).
The phase difference between the two components is 90°.
Solution:
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