Electric Circuits When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by ω ε/σ. ω σ/ε. σ ω ε. σ/ω ε. ω ε/σ. ω σ/ε. σ ω ε. σ/ω ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Millman’s theorem. Norton’s theorem. Thevenin’s theorem. Superposition theorem. Millman’s theorem. Norton’s theorem. Thevenin’s theorem. Superposition theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is referred as the average value in AC opearation? Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the (+)ve and (-)ve half. Average of all values of the phase sequences. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the (+)ve and (-)ve half. Average of all values of the phase sequences. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits While Thevenizing a circuit between two terminals, VTH is equal to short circuit terminal voltage. net voltage available in the circuit. none of these. open circuit terminal voltage . short circuit terminal voltage. net voltage available in the circuit. none of these. open circuit terminal voltage . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ? none of above. - 50 V. 30 V. 50 V. none of above. - 50 V. 30 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits KCL works on the principle of which of the following law of conservation of charge. law of conservation of energy. both. None of these law of conservation of charge. law of conservation of energy. both. None of these ANSWER DOWNLOAD EXAMIANS APP