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1. The SI unit of electric charge is –

2. One coulomb of charge is equal to approximately –

4. The SI unit of electric current is –

5. 1 A of current is defined as –

6. An ammeter is always connected in –

7. The direction of conventional current is –

8. The unit of potential difference is –

9. One volt is equal to –

10. A voltmeter is always connected –

11. Ohm’s law states that –

12. The SI unit of resistance is –

13. 1 ohm is equal to –

14. The relation between current, potential difference, and resistance is –

15. The device used to regulate current without changing voltage source is –

16. Resistance of a conductor is directly proportional to its –

17. Resistance of a conductor is inversely proportional to its –

18. The SI unit of resistivity is –

19. A good conductor has –

20. Insulators have resistivity of the order of –