Electrical Circuits Quiz Leave a Comment / Quiz / By Electrical Notebook MCQs on Electrical Circuits 50 Created on August 05, 2022 By Electrical Notebook Electrical Circuits Quiz 1 / 11 1. Battery is a A. AC Sorce B. DC Source C. Both of the above D. None of the above 2 / 11 2. Magnetic lines of forces – A. Never intersect B. Are not predictable C. Often intersect D. Intersect only in some special circumstances. 3 / 11 3. An alternating voltage is given by, V = 10 sin 2πt. The frequency of the AC signal is – A. π Hz B. 2π Hz C. 1 Hz D. None 4 / 11 4. In series R-L circuit power factor can be defined as – A. R/Z B. P/S C. Vr /V D. All of the above 5 / 11 5. RMS value can be defined based on which of the following? – A. Heating effect B. Charge transfers C. Current D. Voltage 6 / 11 6. For a sinusoidal AC voltage, peak factor or amplitude fator or crest factor is – A. 1.414 B. 1.11 C. 0.707 D. 0.637 7 / 11 7. If a capacitor is connected with DC supply, it will act as – A. A resistor B. A short circuit C. A normal capacitor as in AC D. Open circuit 8 / 11 8. If the length of a wire is doubled and diameter is halved, then the resistance will become _________ of the previous. A. 4 times B. 8 times C. 32 times D. 16 times 9 / 11 9. Calculate the value of energy stored in an inductor if the value of inductance is 10H and 2A of current flows through it.- A. 20 J B. 15 J C. 90 J D. 60 J 10 / 11 10. Three lamps are connected in parallel across the voltage source. What happen if one lamp will burn out? A. Total current in the circuit will increase B. All the three will glow C. The other two lamps will glow D. No bulb will glow 11 / 11 11. Frequency of Direct Current is A. 50 Hz B. 50 kHz C. 40 Hz D. 0 Hz Your score isThe average score is 46% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Related posts:MCQs on Fundamental of Electrical & Electronics Engineering / 2nd SemDC Machines & Transformer Quiz
