Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Co-energy is zero. Field energy is equal to the co-energy. Field energy is greater than the co-energy. Field energy is lesser than the co-energy. Co-energy is zero. Field energy is equal to the co-energy. Field energy is greater than the co-energy. Field energy is lesser than the co-energy. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? A half wave line Balun transformer Short-circuited stub A quarter wave line A half wave line Balun transformer Short-circuited stub A quarter wave line ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 4. 2. 0.5. 1. 4. 2. 0.5. 1. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is 40π C. 10 C. None of above. 5 C. 40π C. 10 C. None of above. 5 C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a short circuit. depends on magnitude of voltage. depends on polarity. open circuit. short circuit. depends on magnitude of voltage. depends on polarity. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 amp, is 0.015 joule. 0.15 joule. 0.015 joule. 1.15 joule. 0.015 joule. 0.15 joule. 0.015 joule. 1.15 joule. ANSWER DOWNLOAD EXAMIANS APP
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