Electromagnetic Field Theory Which of the following represents ohms law J = σE I = GV All of these V = RI J = σE I = GV All of these V = RI ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when None of these The impedance of one of the networks is half that of the other The impedance of one is equal to that of the other The impedance of one is the complex conjugate of the other None of these The impedance of one of the networks is half that of the other The impedance of one is equal to that of the other The impedance of one is the complex conjugate of the other ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on all of above. permeability of core. the number of their turns. cross sectional area of their common core. all of above. permeability of core. the number of their turns. cross sectional area of their common core. 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 None of these Front to back ratio Transmission efficiency Loss coefficient None of these Front to back ratio Transmission efficiency Loss coefficient ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to RBT. R2B / T. R2BT. 2RBT. RBT. R2B / T. R2BT. 2RBT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a short circuit. open circuit. depends on magnitude of voltage. depends on polarity. short circuit. open circuit. depends on magnitude of voltage. depends on polarity. ANSWER DOWNLOAD EXAMIANS APP