1. Why is a switch used in a circuit?
A) To save energy
B) To complete or break a circuit
C) To prevent electric shocks
D) To make the bulb glow easily
2. What is the filament of an electric bulb usually made up of?
A) A thin wire with many coils
B) A thick wire with many coils
C) A thin straight wire
D) A thick straight wire
3. Which of the following energy conversions take place in a torch?
A) Electrical → chemical → light
B) Chemical → electrical → light
C) Electrical → light → chemical
D) Light → chemical → electrical
4. What happens to a circuit when the switch is in the OFF position?
A) The circuit is complete.
B) There is a gap in the circuit.
C) Electricity flows continuously.
D) Electricity flows intermittently.
Answers
Answered by
0
Answer:
1)-(B)
2)-(B)
3)-(A)
4)-(D)
I AM NOT SURE ABOUT THE 3 Question See this question on internet
HOPE it help you ✌️✌️✌️
Answered by
1
Answer:
1. B) To complete or break a circuit.
2. A) A thin wire with many coils .
3. B) Chemical → electrical → light
4. B) There is a gap in the circuit.
Similar questions