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 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. 12t. 12t3. 24t. 4t3. 12t. 12t3. 24t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. 1000. 500. None of these. 100. 1000. 500. None of these. 100. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be BI2L. BL2I. BIL. zero. BI2L. BL2I. BIL. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ is zero. ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ∈ is zero. ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Capacitor. Inductor. Condenser. Variable Resistor. Capacitor. Inductor. Condenser. Variable Resistor. ANSWER DOWNLOAD EXAMIANS APP
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