Electromagnetic Field Theory The Biot-savarts law is a general modification of Kirchhoffs law. Lenzs law. Faradays law. Amperes law. Kirchhoffs law. Lenzs law. Faradays law. Amperes law. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following represents ohms law I = GV J = σE All of these V = RI I = GV J = σE All of these V = RI ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is none of above. to pass high frequencies. to pass low frequencies. to block low frequencies. none of above. to pass high frequencies. to pass low frequencies. to block low frequencies. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. None of these. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is lesser than the co-energy. Field energy is greater than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. Field energy is lesser than the co-energy. Field energy is greater than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. 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 ab Bo cosω t. Zero. abω Bo sinω t. Bo ω sinω t. ab Bo cosω t. Zero. abω Bo sinω t. Bo ω sinω t. ANSWER DOWNLOAD EXAMIANS APP
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