Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 10 mH. 0 mH. 20 mH. 5 mH. 10 mH. 0 mH. 20 mH. 5 mH. 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 24t. 12t. 4t3. 12t3. 24t. 12t. 4t3. 12t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Inside a hollow conducting sphere electric field is a non zero constant. electric field changes with distance from the center of the sphere. electric field is zero. electric field changes with magnitude of the charge given to the conductor. electric field is a non zero constant. electric field changes with distance from the center of the sphere. electric field is zero. electric field changes with magnitude of the charge given to the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as lines of force. none of them. magnetic flux. tubes of indication. lines of force. none of them. magnetic flux. tubes of indication. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR 2/d3. PR/d2. PR/d. Zero. PR 2/d3. PR/d2. PR/d. Zero. 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 Antenna replacement and feed correction Amplitude timing and phase correction Path diversity and frequency diversity Polarization shifting and code diversity Antenna replacement and feed correction Amplitude timing and phase correction Path diversity and frequency diversity Polarization shifting and code diversity ANSWER DOWNLOAD EXAMIANS APP