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 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. Ey = Ez = 0, By = Bz = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Inside a hollow conducting sphere electric field is a non zero constant. electric field changes with distance from the center of the sphere. electric field changes with magnitude of the charge given to the conductor. electric field is zero. electric field is a non zero constant. electric field changes with distance from the center of the sphere. electric field changes with magnitude of the charge given to the conductor. electric field is zero. 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 × 108. 2 × 10-8. 2 × 106. 2 × 10-6. 2 × 108. 2 × 10-8. 2 × 106. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Any of the above Use of larger section of conductor Providing insulation on conductor Top loading of antenna Any of the above Use of larger section of conductor Providing insulation on conductor Top loading of antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. Electric intensity. Magnetic flux density. Electric flux. None of these Electric intensity. Magnetic flux density. Electric flux. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce None of these A standing wave which is not progressing A stronger incident wave A stronger reflected wave None of these A standing wave which is not progressing A stronger incident wave A stronger reflected wave ANSWER DOWNLOAD EXAMIANS APP
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