Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will decrease. remain the same. initially increase and then decrease. increase. decrease. remain the same. initially increase and then decrease. increase. 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. 1.77 mm. 0.88 mm. 0. 1.32 mm. 1.77 mm. 0.88 mm. 0. 1.32 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 0 mH. 10 mH. 20 mH. 5 mH. 0 mH. 10 mH. 20 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is decreasing towards centre. none of above. increasing towards centre. zero. decreasing towards centre. none of above. increasing towards centre. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Unit of electric flux density is farad / meter. coulomb / meter2. coulomb. weber / meter2. farad / meter. coulomb / meter2. coulomb. weber / meter2. 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 12 joules. 24 joules. 15 joules. 30 joules. 12 joules. 24 joules. 15 joules. 30 joules. ANSWER DOWNLOAD EXAMIANS APP
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