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 None of these. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. None of these. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 10-6. 2 × 106. 2 × 108. 2 × 10-8. 2 × 10-6. 2 × 106. 2 × 108. 2 × 10-8. 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 - 100 μ v/m. 100 μ v/m. 0. None of above. - 100 μ v/m. 100 μ v/m. 0. None of above. 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 Unit vector Scalar Vector None of these Unit vector Scalar Vector ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position - 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 ux N. 5 × 10-5 uy N. - 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 ux N. 5 × 10-5 uy N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is the unit of inductance? Webers / m. Ampere turns. Ohm. Milli- henry. Webers / m. Ampere turns. Ohm. Milli- henry. ANSWER DOWNLOAD EXAMIANS APP
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