Electrical Circuits Quiz Leave a Comment / Quiz / By Electrical Notebook MCQs on Electrical Circuits 18 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. 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 3 / 11 3. 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 4 / 11 4. 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 5 / 11 5. Frequency of Direct Current is A. 50 Hz B. 50 kHz C. 40 Hz D. 0 Hz 6 / 11 6. 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 7 / 11 7. Magnetic lines of forces – A. Never intersect B. Are not predictable C. Often intersect D. Intersect only in some special circumstances. 8 / 11 8. 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 9 / 11 9. 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 10 / 11 10. RMS value can be defined based on which of the following? – A. Heating effect B. Charge transfers C. Current D. Voltage 11 / 11 11. 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 Your score is The average score is 42% LinkedIn Facebook Twitter VKontakte 0% Restart quiz
