Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 32 A / s. 4 A / s. 64 A / s. 16 A / s. 32 A / s. 4 A / s. 64 A / s. 16 A / s. 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 Ex = Ey = 0, Bx = By = 0. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. None of these. Ex = Ey = 0, Bx = By = 0. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field strength of charge Increase distance. Decrease with distance. Increase square distance. Decrease with square distance. Increase distance. Decrease with distance. Increase square distance. Decrease with square distance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is Highly directional A figure of directional None of these Omnidirectional Highly directional A figure of directional None of these Omnidirectional ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will decrease. increase. remain the same. initially increase and then decrease. decrease. increase. remain the same. initially increase and then decrease. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Poyniting vector has the dimensions Watts/metre2. Watt × metre. Watt × metre2. Watt/metre. Watts/metre2. Watt × metre. Watt × metre2. Watt/metre. ANSWER DOWNLOAD EXAMIANS APP
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