Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Div curl A. Curl curl A. Grad div A. Div grad V. Div curl A. Curl curl A. Grad div A. Div grad V. 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. remain the same. initially increase and then decrease. increase. decrease. remain the same. initially increase and then decrease. increase. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Transmission efficiency Front to back ratio None of these Loss coefficient Transmission efficiency Front to back ratio None of these Loss coefficient 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 The radiation pattern of a parabola antenna is Highly directional None of these Omnidirectional A figure of directional Highly directional None of these Omnidirectional A figure of directional ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The current of 3 A will be 37.68 mH. 113.04 µH. 113.04 mH. 37.68 µH. 37.68 mH. 113.04 µH. 113.04 mH. 37.68 µH. ANSWER DOWNLOAD EXAMIANS APP
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