Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 8 A/m. 4 A/m. 1 A/m. 2 A/m. 8 A/m. 4 A/m. 1 A/m. 2 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The minimum height of outer atmosphere is 200 km 100 km 400 km 150 km 200 km 100 km 400 km 150 km 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 40 V. 80 V. 60 V. 8 V. 40 V. 80 V. 60 V. 8 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the HF VHF VLF UHF HF VHF VLF UHF 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. 15 joules. 30 joules. 24 joules. 12 joules. 15 joules. 30 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have high hysteresis coefficient. high resistivity. large coercivity. small B-H loop area. high hysteresis coefficient. high resistivity. large coercivity. small B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
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