Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its short time rating. overload capacity. cooling. rating. short time rating. overload capacity. cooling. rating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite non conducting sheet of charge has σ of 10-7 c/m3. Equipotential surface for a potential of 10 volts is. 0.88 mm. 1.32 mm. 1.77 mm. 0. 0.88 mm. 1.32 mm. 1.77 mm. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Both A and B Unity None of these Constant Both A and B Unity None of these Constant ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils are coupled in such a way that the mutual inductance between them is 20 mH. If the inductances of the coils are 40 mH and 50 mH respectively, the coefficient of coupling is 0.477. 0.577. 0.447. 0.01. 0.477. 0.577. 0.447. 0.01. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? Both conduction and displacement current. Only conduction current. Only displacement current. None of these Both conduction and displacement current. Only conduction current. Only displacement current. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger incident wave None of these A stronger reflected wave A standing wave which is not progressing A stronger incident wave None of these A stronger reflected wave A standing wave which is not progressing ANSWER DOWNLOAD EXAMIANS APP