Electromagnetic Field Theory In an inductor current cannot change abruptly. Comment on the statement. True. Cannot comment. False. True partially. True. Cannot comment. False. True partially. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be 37.5 V. 75 V. 50 V. 150 V. 37.5 V. 75 V. 50 V. 150 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 24 joules. 12 joules. 15 joules. 30 joules. 24 joules. 12 joules. 15 joules. 30 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = b/4 a = 2b a = 3b a = b a = b/4 a = 2b a = 3b a = b ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes 0. None of above. 100 μ v/m. - 100 μ v/m. 0. None of above. 100 μ v/m. - 100 μ v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 2 mA. 2.5 mA. 1mA. 1.5 mA. 2 mA. 2.5 mA. 1mA. 1.5 mA. ANSWER DOWNLOAD EXAMIANS APP
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