Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. 10 mH. 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 3 db 2.15 db 6 db 4.15 db 3 db 2.15 db 6 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 12t3. 24t. 12t. 4t3. 12t3. 24t. 12t. 4t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite non conducting sheet of charge has σ of 10-7 c/m3. Equipotential surface for a potential of 10 volts is. 0. 1.77 mm. 1.32 mm. 0.88 mm. 0. 1.77 mm. 1.32 mm. 0.88 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna With a reflector Only With a reflector and one or more directors With one or more directors With a reflector Only With a reflector and one or more directors With one or more directors ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ = μ. ∈ is a scalar constant. ∈ is zero. ∈ = μσ. ∈ = μ. ∈ is a scalar constant. ∈ is zero. ∈ = μσ. ANSWER DOWNLOAD EXAMIANS APP