What happens when you inadvertently crossed the positive battery terminal from a negative to a positive and a positive to a negative.?Read more: What_happens_when_you_inadvertanly_crossed_the_positive_battery_terminal_from_a_negative_to_a_positive_and_a_positive_to_a_negative.
When the switch is closed in a simple circuit, the negative charges (electrons) flow from the negative terminal of the battery through the circuit and back to the positive terminal. This flow of electrons creates an electric current that powers the circuit components.
Charge moves through an electric circuit by flowing from areas of higher potential (such as the positive terminal of a battery) to areas of lower potential (such as the negative terminal). As the charge flows, it can do work, such as powering a lightbulb or motor, before returning to complete the circuit.
You could accidentally short out the power wire to the radio and blow a fuse. But you really do not have to disconnect the battery terminal. Just remove the fuse for the radio circuit and you will be fine.
If you don't disconnect the battery when installing gauges, it is possible to create a short circuit and blow a fuse. Some gauges have power present even when the ignition switch is turned off.
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When a circuit is closed, meaning there is a complete path for the electric current to flow, the current will flow from the positive terminal of the voltage source through the circuit components and back to the negative terminal. This flow of current allows electrical energy to be transferred and work to be done in the circuit.
It could cause the battery to explode. It can also destroy some of the electronics in the vehicle. In other words this would be a very expensive mistake.
When the switch is closed, the stored chemical energy in the dry cell is converted into electrical energy. This allows the flow of electrons from the negative terminal to the positive terminal through the external circuit, allowing devices to operate.
Voltmeter will give you opposite readings or will not work at all.
Everything that goes on in an electrical circuit happens in response to a flow of electrical current. Electrons are the carriers of electrical charge whose motion constitutes the electrical current in the circuit.
In a series circuit, electricity flows along a single path from the positive terminal of the power source, through each component in the circuit, and back to the negative terminal of the power source. This creates a continuous loop for the flow of electric current.