To create a functional closed circuit with a battery, switch, and fan, you need to follow these steps:
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Connect the Other Terminal of the Fan: After connecting one terminal of the fan to the switch, you need to connect the other terminal of the fan back to the negative terminal of the battery (or to the same point where the negative terminal of the battery is connected to the circuit). This completes the loop of the circuit.
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Ensure Proper Connections: Make sure all connections are secure. Loose connections may cause the circuit to be unreliable or not function at all.
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Use Appropriate Wire Gauge: Ensure the wire gauge is suitable for the amount of current that the fan and battery can handle.
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Check Voltage and Current Ratings: Ensure that the battery voltage matches the voltage rating of the fan. This will ensure the fan operates correctly without being damaged.
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Use a Safety Feature (Optional): You might want to integrate a fuse or circuit breaker in the circuit for protection against overcurrent, especially with devices like fans.
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Turn the Switch On: Finally, make sure that the switch is in the "on" position to allow current to flow from the battery through the switch to the fan.
Once you connect the other terminal of the fan to the battery correctly and ensure everything is secure, you should have a working closed circuit, and the fan should operate when the switch is turned on.
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