Reading Check - Pg. 310

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What do we call a circuit that has only one path?

A circuit that has only one path is called a series circuit.

If a resistor is added in series to an existing resistor, what happens to the total resistance?

If a resistor is added in series to an existing resistor, you increase the total resistance, and therefore the total current throughout the circuit decreases.

Why is the current at any two locations in a series circuit always the same?

Since there is only one path for the electrons to travel in the series circuit, the current in each part of a series circuit is equal.

How does the total voltage lost on all loads compare to the total voltage supplied by the battery?

The sum of the voltages lost on the loads equals the total voltage supplied by the battery.

What happens to the current in a series circuit when a switch is opened?

When a switch is opened, all the electrons are blocked and the current stops.


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