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What I have learned
Self-Test 3
A Directions. Choose the best answer for each question Write the letter in your Science
Notebook
CIENCE
Circuit A
Circuit B
1. What supplies energy in an electric circuit?
A a conductor
B. a battery
C. light bulb
D. a wire
2 Which material is a conductor?
A copper
B. glass
C plastic
D. paper
3. Which item is a resistor in Circuit B?
A screws
B. battery
C. wire
D. light bulb
4. Why did the person who made Circuit A probably connect the wire to a coin?
A They were testing to see if the coin conducts electricity
B. They used the coin to supply extra power
C. The coin will prevent sparkles.
D. They needed to use a coin to make the bulb light
as a resistor in a circuit?​


Sagot :

Answer:

1.A. a battery

2.A.copper

3.C wire

4.D.They needed to use a penny to make the bulb light.

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