Electromagnetic Field Theory The Biot-savarts law is a general modification of Amperes law. Kirchhoffs law. Faradays law. Lenzs law. Amperes law. Kirchhoffs law. Faradays law. Lenzs law. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular loop in the x – z plane bounded by the lines x = 0, x = a, z = 0 and z = b is in a time varying magnetic field is given by B = B0 cosωt + ay. Where B0 is constant, ω is angular frequency and ay unit vector in the y direction. Now the emf induced in the loop is given by Zero. abω Bo sinω t. Bo ω sinω t. ab Bo cosω t. Zero. abω Bo sinω t. Bo ω sinω t. ab Bo cosω t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an inductor current cannot change abruptly. Comment on the statement. False. True partially. Cannot comment. True. False. True partially. Cannot comment. True. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A negative point charge q = - 40 nC is moving with velocity of 6 × 106 m/s in a direction specited by unit vector uy + 0.6 uz. Find the magnitude of force vector on the moving particle by the field B = 2 ux + 3 uy + 5 uz mT and E = 2 ux - 3 uy + 5 uz KV/m 144 μN. 244 μN. 1144 μN. 1440 μN. 144 μN. 244 μN. 1144 μN. 1440 μN. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? Only conduction current. Both conduction and displacement current. None of these Only displacement current. Only conduction current. Both conduction and displacement current. None of these Only displacement current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω. ω / π. ω/2π. ω/4π. ω. ω / π. ω/2π. ω/4π. ANSWER DOWNLOAD EXAMIANS APP