Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 3 db 6 db 2.15 db 4.15 db 3 db 6 db 2.15 db 4.15 db 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. 12t. 24t. 4t3. 12t3. 12t. 24t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be 3.5 2.5 1.5 4.5 3.5 2.5 1.5 4.5 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The minimum height of outer atmosphere is 100 km 400 km 150 km 200 km 100 km 400 km 150 km 200 km ANSWER DOWNLOAD EXAMIANS APP
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. 2 A/m. 1 A/m. 4 A/m. 8 A/m. 2 A/m. 1 A/m. 4 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 10T. 2.5T. 0.5T. 5T. 10T. 2.5T. 0.5T. 5T. ANSWER DOWNLOAD EXAMIANS APP
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