DC FUNDAMENTALS MCQs

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1. The ______ law states that potential difference is directly proportional to current





2. According to Ohm's law





3. According to Ohm's law, with the increase in potential difference current





4. When current flows through a circuit having 20Ω resistance and 100V voltage, current is





5. The resistance is directly proportional to the ______ of the conductor





6. Resistance is ______ proportional to the cross sectional area of conductor





7. The resistance of a conductor depends on the ______





8. The Greek letter "Rho" denotes ______





9. Conductors ______ current to flow easily





10. Conductors have ______ number of electrons in their structure





11. The ability to conduct is ______





12. The opposition offered to free electrons is ______





13. Resistance adds up in ______





14. P.D stands for ______





15. In series circuit of resistances, the voltage ______ in each resistor





16. Current remains ______ in series circuits





17. Voltage remains ______ in parallel circuits





18. Current ______ in parallel circuit of resistances





19. The rate of doing work is called ______





20. The relationship for power is P = ______





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