Electromagnetic Field Theory Skin depth is proportional to Frequency. 1/√σ. √(σ). Permeability. Frequency. 1/√σ. √(σ). Permeability. 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. 15 joules. 30 joules. 24 joules. 12 joules. 15 joules. 30 joules. 24 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 48 mH. 24 mH. 3 mH. 12 mH. 48 mH. 24 mH. 3 mH. 12 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The minimum height of outer atmosphere is 100 km 400 km 200 km 150 km 100 km 400 km 200 km 150 km ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 50 W. 25 W. 15 W. 20 W. 50 W. 25 W. 15 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 4.15 db 2.15 db 3 db 6 db 4.15 db 2.15 db 3 db 6 db ANSWER DOWNLOAD EXAMIANS APP
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