Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation – y direction. y direction. – z direction. z direction. – y direction. y direction. – z direction. z direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is zero. depends on magnetic movements outside the closed surface depends on magnetic movements inside the closed surface. infinite. zero. depends on magnetic movements outside the closed surface depends on magnetic movements inside the closed surface. infinite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 4t3. 12t3. 12t. 24t. 4t3. 12t3. 12t. 24t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? Balun transformer A half wave line Short-circuited stub A quarter wave line Balun transformer A half wave line Short-circuited stub A quarter wave line 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. None of above. 0. 0.335/sinθ c. 0.335 C. None of above. 0. 0.335/sinθ c. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 32 mH. 3.2 H. 3.2 µH. 3.2 mH. 32 mH. 3.2 H. 3.2 µH. 3.2 mH. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS