Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 8 A/m. 2 A/m. 1 A/m. 4 A/m. 8 A/m. 2 A/m. 1 A/m. 4 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be 4.5 1.5 3.5 2.5 4.5 1.5 3.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is 5 C. 10 C. None of above. 40π C. 5 C. 10 C. None of above. 40π C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then transformer is an ideal transformer. it is a perfect transformer. turns ratio of the transformer is also two. none of these. transformer is an ideal transformer. it is a perfect transformer. turns ratio of the transformer is also two. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? If the curl of E is identically zero. If is gradient of a scalar potential. The work done in a closed path inside the fields is zero. The potential difference between two points is zero. If the curl of E is identically zero. If is gradient of a scalar potential. The work done in a closed path inside the fields is zero. The potential difference between two points is zero. ANSWER DOWNLOAD EXAMIANS APP
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