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 12t. 24t. 4t3. 12t3. 12t. 24t. 4t3. 12t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory inductance (L2) in parallel without mutual coupling will be 20 mH. 5 mH. 10 mH. 15 mH. 20 mH. 5 mH. 10 mH. 15 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 75 V. 25 V. 100 V. 50 V. 75 V. 25 V. 100 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 80 V. 60 V. 8 V. 40 V. 80 V. 60 V. 8 V. 40 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is A figure of directional Highly directional None of these Omnidirectional A figure of directional Highly directional None of these Omnidirectional ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? It is zero for the electric flux density. Both are zero. These are zero for static densities but non zero for time varying densities. It is zero for the magnetic flux density. It is zero for the electric flux density. Both are zero. These are zero for static densities but non zero for time varying densities. It is zero for the magnetic flux density. ANSWER DOWNLOAD EXAMIANS APP
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