Electromagnetic Field Theory Self inductance of magnetic coil is proportional to 1 / N2. N. 1 / N. N2. 1 / N2. N. 1 / N. N2. 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 0.15 joule. 0.015 joule. 1.15 joule. 0.015 joule. 0.15 joule. 0.015 joule. 1.15 joule. 0.015 joule. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Unity None of these Constant Both A and B Unity None of these Constant Both A and B ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of rotor rotation. induced emf. magnetic field. None of these rotor rotation. induced emf. magnetic field. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very high Zero Very low Infinite Very high Zero Very low Infinite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above question no. 9, the average force on the core to reduce the air gap will be 832.29 N. 3332.47 N. 1666.22 N. 6664.8 N. 832.29 N. 3332.47 N. 1666.22 N. 6664.8 N. ANSWER DOWNLOAD EXAMIANS APP