4. Which of the following is NOT a part of a simple electric cicuta
A. source of electricity B. conducting wire
C. electromagnet
D. an electric device
5. What do you call a closed, continuous path through which electrons iowe
A. resistor
8. Circuit C. charge
D. cell
6. Which of the following serves as the source of energy in a circuits
A. bulb
B. switch C.vire
D.battery
7. in a circuit diagram, what does a cide with a cross inside represents
A. a light bulb
B. a battery
Camotor
8. What do the long straight lines represent in a circuit diagram?
A. motors
B. wires
C. Sant bulbs D. switches
9. How is a battery represented in a circuit diagram
A. a circle with a cross inside it
8. a long line and a short ine
C. a circle with an MA inside it
D. a circle with a cross inside
10. A simple circuit has long coiled wire. 1.5 volts and a bulb. Why does the bulbo
dimmer?
A. because the power supply is not enough to light the bulb brighter
B. because the load is too many
C. because the wire is too long
D. because the wire is too short
11. Imagine a simple circuit with one 1.5 volts battery and a buib. When the 15
is replaced with a 3 volts battery, what will happen?
A. The bulb gets brighter.
B. The bulb gets dimmer.
C. The bulb stays at the same level of brightness
D. Nothing has changed.​