Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as None Phase shifter An isolator An attenuator None Phase shifter An isolator An attenuator ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a Circle Figure of eight Null None of these Circle Figure of eight Null None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two point charges (Q and – Q) are situated at the vertex of the square. If potential at another vertex is 2 V, so potential at opposite vertex (diagonally) is 2 V. 1 V. √ 2 V. Zero. 2 V. 1 V. √ 2 V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to (potential gradient)1/2. (potential gradient)1/3. potential gradient. (potential gradient)2. (potential gradient)1/2. (potential gradient)1/3. potential gradient. (potential gradient)2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. None of these. 1000. 500. 100. None of these. 1000. 500. 100. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = b/4 a = 3b a = b a = 2b a = b/4 a = 3b a = b a = 2b ANSWER DOWNLOAD EXAMIANS APP
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