Chapter 1 ELECRICITY FUNDAMENTALS MCQs

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1. . The lightest particle of an atom is:





2. . Proton has ___ charge:





3. . Electron has ___ charge:





4. . Same current flows through all resistances of ___ circuit:





5. . By adding resistances in series circuit, the total resistance of circuit ___:





6. . If 3 resistors of 6 ohms are in series, the total resistance of circuit will be:





7. . In parallel circuit, the current is





8. . Which quantity adds up in series and parallel circuit?





9. . The rate of doing work is called:





10. . The unit of electric power is:





11. . Horse Power is the unit of:





12. . Electrical energy is measured in:





13. . If we multiply power with time, we get___:





14. . According to ohm’s law, current is directly proportional to__:





15. . According to ohm’s law, current is inversely proportional to__:





16. . 1.5A current flows through 12 Ohm resistor, circuit voltage are___:





17. . 110V Lamp has 220 Ohm resistance, circuit current is___:





18. . ___ is used to store charge:





19. . Dielectric material used to store charge in capacitor is ___:





20. . The unit of capacitance is:





21. . Inductor stores energy in the form of__:





22. . Formula to find the value of XC:





23. . Unit of capacitive reactance is:





24. . Capacitive reactance and inductance reactance is equal at:





25. . Formula to find the impedance of R-L series circuit is:





26. . If the frequency of the power supply of pure capacitive circuit is halved the value of capacitive reactance will be:





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