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? None of above. 0.335 C. 0. 0.335/sinθ c. None of above. 0.335 C. 0. 0.335/sinθ c. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is High standing wave ratio Narrow bandwidth Low directional coupling Poor directivity High standing wave ratio Narrow bandwidth Low directional coupling Poor directivity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is – 1/3. – ½. 2/3. 1/3. – 1/3. – ½. 2/3. 1/3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include Path diversity and frequency diversity Antenna replacement and feed correction Polarization shifting and code diversity Amplitude timing and phase correction Path diversity and frequency diversity Antenna replacement and feed correction Polarization shifting and code diversity Amplitude timing and phase correction ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The emf induced in a conductor rotating in bipolar field is AC. DC. none of these. DC and AC both. AC. DC. none of these. DC and AC both. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Due to rotating only. Due to transformer only. Zero. Due to both rotating and transformer action. Due to rotating only. Due to transformer only. Zero. Due to both rotating and transformer action. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS