Physics Practice: Current Electricity (Mock Test 1 - Basic)
1. The rate of flow of charge through a conductor is called ________.
2. The S.I. unit of electric current is ________.
3. A substance which allows electric current to pass through it easily is known as a ________.
4. The work done in moving a unit positive charge from one point to another is called ________.
5. Which instrument is used to measure the magnitude of electric current in a circuit?
6. The obstruction offered by the conductor to the flow of current is called ________.
7. The S.I. unit of resistance is ________.
8. Which of the following is an example of an insulator?
9. Conventional current flows from ________ terminal to ________ terminal.
10. The relation between charge ($Q$), current ($I$) and time ($t$) is:
11. A cell is a device which converts ________ energy into electrical energy.
12. A Voltmeter is always connected in ________ with the circuit element.
13. In metals, the flow of electric current is due to the movement of ________.
14. An ideal Ammeter should have ________ resistance.
15. The S.I. unit of electric charge is ________.
16. A key or switch is used to ________ an electric circuit.
17. Resistance of a wire is ________ proportional to its length.
18. A primary cell ________ be recharged.
19. If $1\text{ Coulomb}$ of charge flows through a point in $1\text{ second}$, the current is ________.
20. The purpose of a rheostat in a circuit is to ________ the current.