Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 10T. 2.5T. 5T. 0.5T. 10T. 2.5T. 5T. 0.5T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Front to back ratio Transmission efficiency Loss coefficient None of these Front to back ratio Transmission efficiency Loss coefficient None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying 106 volts/sec. 106 volts. 106 Amp. 106 Amp/sec. 106 volts/sec. 106 volts. 106 Amp. 106 Amp/sec. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = 3b a = b a = b/4 a = 2b a = 3b a = b a = b/4 a = 2b ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Infinite Very low Zero Very high Infinite Very low Zero Very high ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? These are zero for static densities but non zero for time varying densities. It is zero for the magnetic flux density. It is zero for the electric flux density. Both are zero. These are zero for static densities but non zero for time varying densities. It is zero for the magnetic flux density. It is zero for the electric flux density. Both are zero. ANSWER DOWNLOAD EXAMIANS APP