Electromagnetic Field Theory Which of the following represents ohms law I = GV V = RI J = σE All of these I = GV V = RI J = σE All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another None of these Vector Scalar Unit vector None of these Vector Scalar Unit vector ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere Q/(4 π εo r3). 3 Qr/(4 π εo R3). QR/(4π εo r3). Qr/(4 π εo R3). Q/(4 π εo r3). 3 Qr/(4 π εo R3). QR/(4π εo r3). Qr/(4 π εo R3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes None of above. - 100 μ v/m. 100 μ v/m. 0. None of above. - 100 μ v/m. 100 μ v/m. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 40 nj. 100 nj. 20 nj. 60 nj. 40 nj. 100 nj. 20 nj. 60 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is 4πQ / 6ε. Q / 6. Q / 4π. Q / 6ε. 4πQ / 6ε. Q / 6. Q / 4π. Q / 6ε. ANSWER DOWNLOAD EXAMIANS APP