Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 2.15 db 4.15 db 3 db 6 db 2.15 db 4.15 db 3 db 6 db 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 3 Qr/(4 π εo R3). Qr/(4 π εo R3). QR/(4π εo r3). Q/(4 π εo r3). 3 Qr/(4 π εo R3). Qr/(4 π εo R3). QR/(4π εo r3). Q/(4 π εo r3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna With one or more directors With a reflector With a reflector and one or more directors Only With one or more directors With a reflector With a reflector and one or more directors Only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the resistance of a conductor does not vary in accordance with the Ohms law it is known as non - linear conductor. non - conductor. reverse conductor. bad conductor. non - linear conductor. non - conductor. reverse conductor. bad conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The minimum height of outer atmosphere is 400 km 100 km 150 km 200 km 400 km 100 km 150 km 200 km ANSWER DOWNLOAD EXAMIANS APP