Physics Practice: Electricity (Mock Test 1 - Basic)
1. The flow of electrons in a definite direction through a conductor is called:
2. What is the S.I. unit of Electric Current?
3. A device used to open or close an electric circuit is a:
4. Which of the following is a good conductor of electricity?
5. The opposition offered by a conductor to the flow of current is called:
6. What is the S.I. unit of Potential Difference (Voltage)?
7. An instrument used to measure electric current in a circuit is:
8. In a battery, ________ energy is converted into electrical energy.
9. S.I. unit of Electric Charge is:
10. An electric circuit is said to be ________ when current flows through it.
11. A wire made of which material is used for heating elements in heaters?
12. The safety device which breaks the circuit when excessive current flows is a:
13. S.I. unit of Electric Resistance is:
14. When two or more cells are connected together, they form a:
15. A material which does not allow electricity to pass through it is called an:
16. The direction of "Conventional Current" is taken from ________ terminal to ________ terminal.
17. Which component is used to measure the potential difference across a conductor?
18. Household appliances are usually connected in ________ circuit.
19. Static electricity is produced due to ________.
20. The tiny particles that carry a negative charge in an atom are: