Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is none of above. repulsive. attractive. zero. none of above. repulsive. attractive. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Between a hollow and solid metal sphere, charge reside on outer surface in hollow and throughout in solid None of above. on outer surface in both. on outer surface in hollow and throughout in solid. on outer surface in hollow and throughout in solid None of above. on outer surface in both. on outer surface in hollow and throughout in solid. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on cross sectional area of their common core. all of above. the number of their turns. permeability of core. cross sectional area of their common core. all of above. the number of their turns. permeability of core. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying 106 Amp/sec. 106 volts. 106 volts/sec. 106 Amp. 106 Amp/sec. 106 volts. 106 volts/sec. 106 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The current of 3 A will be 37.68 µH. 113.04 mH. 37.68 mH. 113.04 µH. 37.68 µH. 113.04 mH. 37.68 mH. 113.04 µH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 4t3. 12t3. 24t. 12t. 4t3. 12t3. 24t. 12t. ANSWER DOWNLOAD EXAMIANS APP