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, the amount of applied voltage is 100v then the current is:





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





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





7. The resistance of a conductor depends on the _______.





8. The Greek letter "Rho" denotes the _______





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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