Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 76.4 N. 76400 N. 764 N. 7640 N. 76.4 N. 76400 N. 764 N. 7640 N. 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. 30 joules. 15 joules. 24 joules. 12 joules. 30 joules. 15 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is attractive. none of above. repulsive. zero. attractive. none of above. repulsive. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is 2.16. Infinity. 4.32. Zero. 2.16. Infinity. 4.32. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Higher than No relation Equal to Less than Higher than No relation Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? None of these Only displacement current. Only conduction current. Both conduction and displacement current. None of these Only displacement current. Only conduction current. Both conduction and displacement current. ANSWER DOWNLOAD EXAMIANS APP
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