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. 4t3. 12t. 24t. 12t3. 4t3. 12t. 24t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the inductor is made of thin wire. the inductor is non linear. the inductor has ferrite core. the above statement is false. the inductor is made of thin wire. the inductor is non linear. the inductor has ferrite core. the above statement is false. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is straight line. parabola. hyperbola. ellipse. straight line. parabola. hyperbola. ellipse. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ is a scalar constant. ∈ = μ. ∈ = μσ. ∈ is zero. ∈ is a scalar constant. ∈ = μ. ∈ = μσ. ∈ is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as permeance. All of these hysteresis. flux. permeance. All of these hysteresis. flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter propagation is not subject to any fading. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS