Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of protons. electrons. electric field. neutrons. protons. electrons. electric field. neutrons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.15 J. 1.15 J. 0.5 J. 0.015 J. 0.15 J. 1.15 J. 0.5 J. 0.015 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at Medium frequency High frequency Low frequency Microwave frequency Medium frequency High frequency Low frequency Microwave frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Conical horn Folded dipole Square loop Log-periodic Conical horn Folded dipole Square loop Log-periodic ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0.335 C. 0.335/sinθ c. 0. None of above. 0.335 C. 0.335/sinθ c. 0. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as An isolator Phase shifter An attenuator None An isolator Phase shifter An attenuator None ANSWER DOWNLOAD EXAMIANS APP