Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Maxwell Fleming Lenz Faraday Maxwell Fleming Lenz Faraday 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 8 V. 60 V. 40 V. 80 V. 8 V. 60 V. 40 V. 80 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic vector potential due to a single conductor carrying current is none of tha above. infinite. zero. finite. none of tha above. infinite. zero. finite. 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 0.477. 0.447. 0.01. 0.577. 0.477. 0.447. 0.01. 0.577. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes - 100 μ v/m. 0. None of above. 100 μ v/m. - 100 μ v/m. 0. None of above. 100 μ v/m. 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 24t. 12t3. 12t. 4t3. 24t. 12t3. 12t. 4t3. ANSWER DOWNLOAD EXAMIANS APP
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