Content text MCQ Electric Circuits and Network.pdf
Way to Polyt ★ Way to Polytechnic Electric Circuits and Network UNIT 1 Basics of Network and Network Theorem 1. What is the fundamental building block in network analysis? a. Node b. Mesh c. Branch d. Circuit 2. Which analysis method involves determining the voltage and current at each node in a circuit? a. Superposition b. Thevenin c. Mesh d. Norton 3. The Superposition Theorem is applicable to: a. Linear circuits only b. Non-linear circuits only c. Both linear and non-linear circuits d. Circuits with resistors only 4. Thevenin's Theorem is used to simplify complex circuits into: a. Norton equivalent b. Voltage source and series resistor c. Current source and parallel resistor d. Mesh representation 5. Norton's Theorem is related to the transformation of a circuit into: a. Thevenin equivalent b. Voltage source and series resistor c. Current source and parallel resistor d. Superposition representation 1
Way to Polyt ★ Way to Polytechnic 6. The Maximum Power Transfer Theorem states that maximum power is transferred when the load resistance is equal to: a. Source resistance b. Double the source resistance c. Half the source resistance d. Impedance of the load 7. Reciprocity Theorem is applicable to: a. Linear circuits only b. Non-linear circuits only c. Both linear and non-linear circuits d. Circuits with capacitors only 8. In Node Analysis, how many essential nodes are there in a circuit? a. One b. Two c. Multiple d. None 9. Mesh Analysis is based on: a. Ohm's Law b. Kirchhoff's Voltage Law c. Kirchhoff's Current Law d. Faraday's Law 10. Thevenin's equivalent circuit comprises a voltage source in series with: a. A resistor b. A capacitor c. An inductor d. A transformer 11. Norton's equivalent circuit comprises a current source in parallel with: a. A resistor b. A capacitor c. An inductor d. A transformer 2
Way to Polyt ★ Way to Polytechnic 12. The Superposition Theorem is applicable only to circuits with: a. Independent sources b. Dependent sources c. Both independent and dependent sources d. Resistors only 13. Thevenin's voltage is measured across: a. Two nodes b. Two branches c. A load resistor d. A capacitor 14. Norton's current is measured through: a. Two nodes b. Two branches c. A load resistor d. A capacitor 15. The Maximum Power Transfer Theorem is most relevant in situations involving: a. Audio circuits b. Radio frequency circuits c. Power supply circuits d. Signal processing circuits 16. Reciprocity Theorem is primarily used for analyzing circuits with: a. Resistors b. Capacitors c. Inductors d. Transformers 17. The number of mesh currents in Mesh Analysis is equal to: a. The number of essential nodes b. The number of essential branches c. One less than the number of essential nodes d. One less than the number of essential branches 3
Way to Polyt ★ Way to Polytechnic 18. Thevenin's Theorem is a technique used for: a. Voltage analysis b. Current analysis c. Both voltage and current analysis d. Power analysis 19. Norton's Theorem is particularly useful for analyzing: a. Power circuits b. Communication circuits c. Control circuits d. Audio circuits 20. The Reciprocity Theorem is based on the principle of: a. Time invariance b. Linearity c. Symmetry d. Causality Answers: 1. a. Node 2. c. Mesh 3. a. Linear circuits only 4. b. Voltage source and series resistor 5. c. Current source and parallel resistor 6. a. Source resistance 7. a. Linear circuits only 8. c. Multiple 9. b. Kirchhoff's Voltage Law 10. a. A resistor 11. a. A resistor 12. c. Both independent and dependent sources 13. c. A load resistor 14. c. A load resistor 15. a. Audio circuits 16. a. Resistors 17. b. The number of essential branches 18. c. Both voltage and current analysis 4