Physics Practice: Current Electricity (Mock Test 2 - Intermediate)
1. The S.I. unit of potential difference is named after ________.
2. Which of the following is an ohmic conductor?
3. Resistance of a conductor is ________ proportional to its area of cross-section.
4. The potential at a point is said to be $1\text{ Volt}$ if $1\text{ Joule}$ of work is done in moving ________ of charge.
5. Which of these is a secondary cell (rechargeable)?
6. A closed path through which an electric current flows is called a/an ________.
7. When the temperature of a metal conductor increases, its resistance ________.
8. A combination of two or more cells is called a ________.
9. $1\text{ milliampere (mA)}$ is equal to ________.
10. An ideal Voltmeter should have ________ resistance.
11. The resistivity of a material depends upon ________.
12. The direction of electronic current is from ________.
13. Which material is used to make standard resistors because its resistance remains constant with temperature?
14. If a current of $2\text{ A}$ flows through a circuit for $5\text{ minutes}$, the total charge transferred is:
15. A thick wire has ________ resistance than a thin wire of the same material and length.
16. The work done per unit charge in a complete circuit (including the cell) is called ________.
17. A Galvanometer is used to ________.
18. Potential difference is measured using a ________.
19. If the length of a conductor is doubled, its resistance becomes ________.
20. The symbol representing a variable resistance in a circuit diagram is ________.