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When the reed switch is replaced with copper wire, the circuit becomes a closed loop with significantly less resistance compared to the reed switch. This lower resistance allows more current to flow through the circuit, including the bulb. The increased current flow results in the bulb glowing brighter as it receives more electrical energy.

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ProfBot

5mo ago

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Related Questions

How does an electric circuit with a battery lamp copper wire and switch work?

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Ideally the reed switch should be able pass as much current as the wire supplying it. A voltage drop across the switch would indicate resistance and suggest that the maximum rated current has been exceeded. Reed switches are delicate and should only switch small currents. They are used where actuation by a magnet is required, without mechanical interference. To switch larger currents a relay should be used, fed from the reed.


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The amount of charge that flowed through the switch when it was closed depends on the current passing through it and the time it was closed for.