Electromagnetic Field Theory A copper disc is rotated rapidly below a freely suspended magnetic needle. The magnetic needle starts rotating with velocity equal to that of disc and in the opposite direction. less than that of disc but in opposite direction. equal to that of disc and in the same direction. less than that of disc and in the same direction. equal to that of disc and in the opposite direction. less than that of disc but in opposite direction. equal to that of disc and in the same direction. less than that of disc and in the same direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory inductance (L2) in parallel without mutual coupling will be 20 mH. 15 mH. 5 mH. 10 mH. 20 mH. 15 mH. 5 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A satellite that simply reflect back the signals from one region of the earth to the other region is known as Passive satellite Active satellite Orbiting satellite Geostationary satellite Passive satellite Active satellite Orbiting satellite Geostationary satellite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be 28.8 V. 14.40 V. 2.88 V. 1.4 V. 28.8 V. 14.40 V. 2.88 V. 1.4 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect? Waveguides can handle large power at UHF and microwaves At waveguide can be coupled to a coaxial cable Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides can handle large power at UHF and microwaves At waveguide can be coupled to a coaxial cable Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections 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
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