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 mH. 113.04 mH. 113.04 µH. 37.68 µH. 37.68 mH. 113.04 mH. 113.04 µH. 37.68 µH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Midway between two equal and similar charges, a third equal and similar charge is placed, then this third charge will not be equilibrium. will move out of the field of influence of two charges. be in unstable equilibrium. remain in stable equilibrium. not be equilibrium. will move out of the field of influence of two charges. be in unstable equilibrium. remain in stable equilibrium. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It is best to use for coupling a coaxial line to a parallel wire transmission line. Tee Slotted line Directional Coupler Balun Tee Slotted line Directional Coupler Balun ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 8 V. 40 V. 80 V. 60 V. 8 V. 40 V. 80 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A copper disc is rotated rapidly below a freely suspended magnetic needle. The magnetic needle starts rotating with velocity less than that of disc but in opposite direction. equal to that of disc and in the opposite direction. less than that of disc and in the same direction. equal to that of disc and in the same direction. less than that of disc but in opposite direction. equal to that of disc and in the opposite direction. less than that of disc and in the same direction. equal to that of disc and in the same direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on polarity. open circuit. depends on magnitude of voltage. short circuit. depends on polarity. open circuit. depends on magnitude of voltage. short circuit. ANSWER DOWNLOAD EXAMIANS APP