Chapter 12
Electricity and Circuits
1. What is the metal cap ?
A) Positive terminal
B) Negative terminal
C) Both A and B
Answer: A) Positive terminal
2. What is the metal disc ?
A) Positive terminal
B) Negative terminal
C) Both A and B
Answer: B) Negative terminal
3. What are the Terminal ?
A) 4
B) 2
C) 1
Answer: B) 2
4. Electric cells are also used in ______ ?
A) Table
B) Box
C) Alarm clock
Answer: C) Alarm clock
5. From where an electric cell produced its electricity ?
A) Chemical stored inside it
B) Chemical stored outside it
C) Chemical stored everywhere
Answer: A) Chemical stored inside it
6. What is filament of the bulb ?
A) The thin wire that gives off light
B) The fat wire that gives off light
C) Non off these
Answer: A) The thin wire that gives off light
7. The electric circuit current is taken from which direction ?
A) Negative to positive
B) Positive to Negative
C) Negative to Negative
Answer: B) Positive to Negative
8. Which makes the bulb glow ?
A) Filament
B) Conductor
C) Insulator
Answer: A) Filament
9. What is a source of electricity ?
A) Electric cell
B) Filament
C) Conductor
Answer: A) Electric cell
10. What is the simple device that either breaks the circuit or completes it ?
A) Filament
B) Switch
C) Conductor
Answer: B) Switch