Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = 3b a = b/4 a = b a = 2b a = 3b a = b/4 a = b a = 2b ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 900 V. 200 V. 0 V. 1800 V. 900 V. 200 V. 0 V. 1800 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Cork Screw rule is used to find direction of magnetic field. direction of electric field. direction of emf. direction of current. direction of magnetic field. direction of electric field. direction of emf. direction of current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Providing insulation on conductor Top loading of antenna Use of larger section of conductor Any of the above Providing insulation on conductor Top loading of antenna Use of larger section of conductor Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In H-plane metal plate lens the travelling wave front is Retarded Totally retarded Neither accelerated nor retarded Accelerated Retarded Totally retarded Neither accelerated nor retarded Accelerated ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 0.4 π V. Zero. 0.8 π V. 8 π V. 0.4 π V. Zero. 0.8 π V. 8 π V. ANSWER DOWNLOAD EXAMIANS APP
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