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. 24t. 12t. 12t3. 4t3. 24t. 12t. 12t3. ANSWER DOWNLOAD EXAMIANS APP
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 The frequency range for satellite communication is 300 to 3000 kHz 30000 to 300000 MHz 3 to 30 kHz 3000 to 30000 MHz 300 to 3000 kHz 30000 to 300000 MHz 3 to 30 kHz 3000 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then the net force and torque on the coil are both zero. the net force is finite but torque is zero. the net force is zero but torque is finite. the net force and torque are both finite. the net force and torque on the coil are both zero. the net force is finite but torque is zero. the net force is zero but torque is finite. the net force and torque are both finite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Retentivity. Saturation magnetism. Coercivity. Hysteresis. Retentivity. Saturation magnetism. Coercivity. Hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Inside a hollow conducting sphere electric field changes with magnitude of the charge given to the conductor. electric field is a non zero constant. electric field is zero. electric field changes with distance from the center of the sphere. electric field changes with magnitude of the charge given to the conductor. electric field is a non zero constant. electric field is zero. electric field changes with distance from the center of the sphere. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS