Electromagnetic Field Theory Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now larger sphere will have smalled potential. both of sphere will have same potential. smaller sphere will have zero potential. larger sphere will have greater potential. larger sphere will have smalled potential. both of sphere will have same potential. smaller sphere will have zero potential. larger sphere will have greater potential. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 10-6. 2 × 108. 2 × 10-8. 2 × 106. 2 × 10-6. 2 × 108. 2 × 10-8. 2 × 106. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a generator. transformer. choke. thermocouple. generator. transformer. choke. thermocouple. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Folded dipole Log-periodic Conical horn Square loop Folded dipole Log-periodic Conical horn Square loop 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 Inside a hollow conducting sphere electric field changes with distance from the center of the sphere. electric field changes with magnitude of the charge given to the conductor. electric field is zero. electric field is a non zero constant. electric field changes with distance from the center of the sphere. electric field changes with magnitude of the charge given to the conductor. electric field is zero. electric field is a non zero constant. ANSWER DOWNLOAD EXAMIANS APP