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 12t. 12t3. 24t. 4t3. 12t. 12t3. 24t. 4t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Higher than Equal to No relation Less than Higher than Equal to No relation Less than ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be zero. parallel to axis. perpendicular to the axis. at angle of 45° with the axis. zero. parallel to axis. perpendicular to the axis. at angle of 45° with the axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A standing wave which is not progressing A stronger reflected wave None of these A stronger incident wave A standing wave which is not progressing A stronger reflected wave None of these A stronger incident wave ANSWER DOWNLOAD EXAMIANS APP
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. z direction. y direction. – z direction. – y direction. z direction. y direction. – z direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to (potential gradient)2. (potential gradient)1/3. potential gradient. (potential gradient)1/2. (potential gradient)2. (potential gradient)1/3. potential gradient. (potential gradient)1/2. ANSWER DOWNLOAD EXAMIANS APP
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