Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is High standing wave ratio Narrow bandwidth Poor directivity Low directional coupling High standing wave ratio Narrow bandwidth Poor directivity Low directional coupling ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 1.15 J. 0.5 J. 0.015 J. 0.15 J. 1.15 J. 0.5 J. 0.015 J. 0.15 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following represents ohms law V = RI J = σE I = GV All of these V = RI J = σE I = GV All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 764 N. 76400 N. 76.4 N. 7640 N. 764 N. 76400 N. 76.4 N. 7640 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is depend upon Received frequency by receiver Height of ionospheric layer 11 year sun spot cycle Electron density of the ionospheric layer Received frequency by receiver Height of ionospheric layer 11 year sun spot cycle Electron density of the ionospheric layer ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils are coupled in such a way that the mutual inductance between them is 20 mH. If the inductances of the coils are 40 mH and 50 mH respectively, the coefficient of coupling is 0.447. 0.01. 0.477. 0.577. 0.447. 0.01. 0.477. 0.577. ANSWER DOWNLOAD EXAMIANS APP