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Choose the correct answer. Write only the letter.
SCIENCE 2 abang
1. When the switch is off the circuit is
?
A. The circuit is open.
B. The circuit is closed. C. The circuit is still complete. D. None of the above
2. In a series circuit, what happens when one bulb burns out?
A. the other bulb will continue to light
B. the other bulb will still function
C. the other bulb will explode
D. the other bulb will not light up anymore
3. What will happen to the light bulb in a circuit if more batteries will be added?
A. The light bulb will glow dimmer.
B. The light bulb will glow brighters on
C. The light bulb will explode.
D. Nothing will happen to the bulb.
4.
When we remove one bulb from a three-bulb circuit, and the other two bulbs go off, then the bulbs must have been
connected in ?
A. open circuit
B. closed circuit
C. series circuit
D. parallel circuit
5. What will be the result if we add another bulb to a parallel circuit?
om
A. all the light goes off
B. the flow of electricity will be stopped
C. the wires in the circuit will become hot D. all the lights will have the same brightness.​