Electromagnetic Field Theory A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere Q/(4 π εo r3). QR/(4π εo r3). Qr/(4 π εo R3). 3 Qr/(4 π εo R3). Q/(4 π εo r3). QR/(4π εo r3). Qr/(4 π εo R3). 3 Qr/(4 π εo R3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is – ½. 1/3. – 1/3. 2/3. – ½. 1/3. – 1/3. 2/3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In frec space E (z,t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z,t) (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-ux) A/m. None of above. (103/377) sin(ωt - β z)(-uy) A/m. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-ux) A/m. None of above. (103/377) sin(ωt - β z)(-uy) A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is infinite. depends on magnetic movements inside the closed surface. depends on magnetic movements outside the closed surface zero. infinite. depends on magnetic movements inside the closed surface. depends on magnetic movements outside the closed surface zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Div grad V. Grad div A. Div curl A. Curl curl A. Div grad V. Grad div A. Div curl A. Curl curl A. ANSWER DOWNLOAD EXAMIANS APP