Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 2. 4. 3. 8. 2. 4. 3. 8. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 4.15 db 3 db 6 db 2.15 db 4.15 db 3 db 6 db 2.15 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 15 joules. 30 joules. 24 joules. 12 joules. 15 joules. 30 joules. 24 joules. 12 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the unit of magnetic charge Ampere meter. Coulomb. Ampere. Ampere-meter square. Ampere meter. Coulomb. Ampere. Ampere-meter square. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is repulsive. zero. none of above. attractive. repulsive. zero. none of above. attractive. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Providing insulation on conductor Any of the above Top loading of antenna Use of larger section of conductor Providing insulation on conductor Any of the above Top loading of antenna Use of larger section of conductor ANSWER DOWNLOAD EXAMIANS APP