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The circuit needs to be closed for the light bulb to light up because it allows current to flow uninterrupted from the power source through the light bulb, which then converts electrical energy into light and heat. If the circuit is open, the flow of current is interrupted, and the light bulb will not receive the necessary electrical energy to produce light.

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1y ago

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How a light bulb works in a complete circuit?

A Light bulb lights in a complete circuit because then the electricity from the battery can travel round the wire that has no breaks. BUT the switch has to be close. Z


When you flip a switch to turn on the light you?

Either close the circuit, or complete the circuit, should work here.


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Yes, a circuit is a part of a light bulb. It is designed to provide the necessary electrical connection for the bulb to receive power and emit light. Without the circuit, a light bulb would not be able to function properly.


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Close circuit is a complete circuit of battery wire bulb and a switch


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The function of a light bulb in an electric circuit is that it turns electrical energy into light.


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It completes the circuit!!


If a light bulb is missing in a series circuit will the bulb light?

If one light bulb in a series circuit fails, all the other light bulbs will go out, until the failed bulb is replaced and the series circuit is completed again.If one light bulb in a parallel circuit fails, all the other light bulbs will still work.


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u need a battery 2 wires and a light bulb. Step 1. Get the 2 wires and connect them to the battery step 2. connect the other side at the bottom of the light bulb the light bulb should light if it doesn't :(


How to change a open circuit to a closed circuit?

u need a battery 2 wires and a light bulb. Step 1. Get the 2 wires and connect them to the battery step 2. connect the other side at the bottom of the light bulb the light bulb should light if it doesn't :(


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it would be ok in a circuit which didn't need a light bulb.