Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Co-energy is zero. Field energy is greater than the co-energy. Field energy is lesser than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. Field energy is greater than the co-energy. Field energy is lesser than the co-energy. Field energy is equal to the co-energy. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Self inductance of magnetic coil is proportional to 1 / N2. N. N2. 1 / N. 1 / N2. N. N2. 1 / N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Reactive power of the circuit is zero. Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Actual power of the circuit is zero. Reactive power of the circuit is zero. Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Actual power of the circuit is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 225. 150. 145. 250. 225. 150. 145. 250. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on all of above. cross sectional area of their common core. the number of their turns. permeability of core. all of above. cross sectional area of their common core. the number of their turns. permeability of core. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Group velocity inversely proportional to wavelength Larger frequency than in the free space Diminishing wavelength than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength Larger frequency than in the free space Diminishing wavelength than in the free space Larger wavelength than in the free space ANSWER DOWNLOAD EXAMIANS APP
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