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1. 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.
2. 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.
3. 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.
4. 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.
5. What is wrong in this circuit diagram?
A. There is no switch. B. There are two bulbs. C. There is only one battery. D. There is a missing wire. case​