Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 6 db 3 db 4.15 db 2.15 db 6 db 3 db 4.15 db 2.15 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of magnetic field. induced emf. rotor rotation. None of these magnetic field. induced emf. rotor rotation. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere QR/(4π εo r3). Qr/(4 π εo R3). Q/(4 π εo r3). 3 Qr/(4 π εo R3). QR/(4π εo r3). Qr/(4 π εo R3). Q/(4 π εo r3). 3 Qr/(4 π εo R3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 15 N. 20 N. 7.5 N. 3.75 N. 15 N. 20 N. 7.5 N. 3.75 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Poyniting vector has the dimensions Watt/metre. Watt × metre2. Watts/metre2. Watt × metre. Watt/metre. Watt × metre2. Watts/metre2. Watt × metre. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is none of above. increasing towards centre. decreasing towards centre. zero. none of above. increasing towards centre. decreasing towards centre. zero. ANSWER DOWNLOAD EXAMIANS APP
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