uestions carefully and encircle the letter of the best answer
1. What needs to be done to this circuit so that the lamp will light up?
A Close the switch
B Add another lamp
C. Add a cell and close the circuit
D. Add a motor and close the switch.
2. What is wrong in this circuit diagram?
A There is no switch.
B. There are two bulbs.
C. There is only one battery,
There is a missing wire.
3. What is the function of a power source in a circuit?
A It provides a steady source of electricity
B. It provides a means through which the circuit can be broken
C. It opens and closes the circuit
D. It resists the flow of electrons
4. How does a switch work in a simple current circuit?
A. It controls the heat supply.
B. It opens and closes a circuit.
C. It stops the flow of electricity.
D. It gives continuous current supply,
For questions No. 5, 6, 7, please refer to the picture below.
Switch in Off position
Powe
Source
Bulb
A simple Open electric circuit diagram for a bulb when switch OFF
5. Based on the diagram, will the bulb light up? Why?
A. No, because the loop is open and the electric current cannot flow.
B. No, because the loop is open and the electric current is sufficient.
C. Yes, because the loop is closed and the current will not flow.
D. Yes, because the loop is closed and the current is sufficient.
6. What will happen to the bulb if you turned on the switch?
A. The bulb will break,
B. The bulb will get dimmer.
C. The bulb lights up.
D. There will be no changes to the bulb.
7. What will happen to the bulb if you turned off the switch?
A. The bulb will light up.
B. The bulb will be broken.
C.The bulb will produce heat
D. The bulb will not produce light​