Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 2. 1. 0.5. 4. 2. 1. 0.5. 4. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is equal to the co-energy. Co-energy is zero. Field energy is lesser than the co-energy. Field energy is greater than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. Field energy is lesser than the co-energy. Field energy is greater than the co-energy. 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 12t. 24t. 12t3. 4t3. 12t. 24t. 12t3. 4t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 16 A / s. 4 A / s. 32 A / s. 64 A / s. 16 A / s. 4 A / s. 32 A / s. 64 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then transformer is an ideal transformer. turns ratio of the transformer is also two. none of these. it is a perfect transformer. transformer is an ideal transformer. turns ratio of the transformer is also two. none of these. it is a perfect transformer. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is 2.52 V. 2.62 V. 1.26 V. 1.31 V. 2.52 V. 2.62 V. 1.26 V. 1.31 V. ANSWER DOWNLOAD EXAMIANS APP
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