Chapter 4. 4. FUNDAMENTAL OF ELECTROSTATICS. MCQs

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1. . Electrostatics is a branch of electricity concerned with:





2. . Same charges ……… each other:





3. . Opposite charges ……… each other:





4. . Capacitor stores electric charge in:





5. . Before charging, the number of free electrons on both plates of the capacitor is:





6. . Capacitor charged with this source:





7. . Capacitance of capacitors connected in parallel increases:





8. . Unit of energy stored in a capacitor is:





9. . Determine capacitance:





10. . Charge on a 10μF capacitor when voltage is 10V:





11. . With increasing capacitors in series, total capacitance:





12. . Unit of capacitance is:





13. . The ability of a capacitor to store charge is called:





14. . A device that stores charge is called:





15. . Total capacitance of 10μF, 20μF, 22μF, 100μF in parallel is:





16. . Total capacitance of 2μF, 4μF, 10μF in series is less than:





17. . 0.00022 F capacitor equals how many microfarads?





18. . Capacitance when Q = 60μC and V = 12V:





19. . Voltage across a 330pF capacitor connected to 6V DC source:





20. . Charge of each plate of capacitor is measured in:





21. . Charge on capacitor plates is directly proportional to:





22. . In a series RC circuit, when voltage across resistor is zero, the capacitor is:





23. . Initial current while charging a capacitor:





24. . As a capacitor is being charged, current flowing into it will:





25. . Final current while charging a capacitor:





26. . Capacitors are fully charged when:





27. . As a capacitor is being charged, voltage across its terminals will:





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