Electromagnetic Field Theory The radiation pattern of a parabola antenna is Omnidirectional Highly directional A figure of directional None of these Omnidirectional Highly directional A figure of directional None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Reflection Transmission None of these Refraction Reflection Transmission None of these Refraction ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 amp, is 0.015 joule. 0.15 joule. 0.015 joule. 1.15 joule. 0.015 joule. 0.15 joule. 0.015 joule. 1.15 joule. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then transformer is an ideal transformer. it is a perfect transformer. none of these. turns ratio of the transformer is also two. transformer is an ideal transformer. it is a perfect transformer. none of these. turns ratio of the transformer is also two. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 8 V. 80 V. 60 V. 40 V. 8 V. 80 V. 60 V. 40 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 1 amp dc. 20 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 1 amp dc. 20 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. ANSWER DOWNLOAD EXAMIANS APP
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