Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is directly proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. inversely proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In free space E (z, t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z, t) (103/377) sin(ωt - β z)(-ux) 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)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(ux) A/m. None of above. 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)1/2. (potential gradient)1/3. potential gradient. (potential gradient)2. (potential gradient)1/2. (potential gradient)1/3. potential gradient. 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 are both finite. the net force is zero but torque is finite. the net force is finite but torque is zero. the net force and torque on the coil are both zero. the net force and torque are both finite. the net force is zero but torque is finite. the net force is finite but torque is zero. the net force and torque on the coil are both zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A potential field is given by V = 3x2 y – yz. The electric field at P(2, -1, 4) is 12 Ix + 8 Iy + Iz V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - 8 Iy V/m. 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