Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? VR and I. Z and I. VL and Z. VL and VR. VR and I. Z and I. VL and Z. VL and VR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values 20 15 5 10 20 15 5 10 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? Superposition theorem. Thevenin’s theorem. Millman’s theorem. Norton’s theorem. Superposition theorem. Thevenin’s theorem. Millman’s theorem. Norton’s theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in a chemical cell is a movement of positive and negative ions. negative ions only. positive hole charges. positive ions only. positive and negative ions. negative ions only. positive hole charges. positive ions only. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Twelve 6 Ω resistor used as edge to form a cube. The resistance between two diagonally opposite corner of the cube is 6 / 5 Ω. 5 Ω. 6 Ω. 5 / 6 Ω. 6 / 5 Ω. 5 Ω. 6 Ω. 5 / 6 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is 8.85 A. 50 A. 5 A. zero. 8.85 A. 50 A. 5 A. zero. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS