Science Quiz 3/15
Terms in this set (11)
The circular path electrons follow, pushed by voltage.
Current electricity will flow through a closed circuit. In a closed circuit, there are no gaps or breaks in the path. The path is complete.
An incomplete path is called an open circuit. There are gaps or breaks in an open circuit. No current will flow in an open circuit.
The potential difference between 2 points on a circuit. Electrical pressure. Measured in volts (V).
The movement of electrons through a circuit. Measures in Amps (A).
The opposition to the flow of electrons in a circuit. Measured in Ohms (Ω).
Current does not flow easily through a resistor. Resistors allow electrical energy to be changed into other forms of energy.
The filament in a light bulb is a resistor. The resistor in the light bulb allows electrical energy to be changed into heat and light energy as current flows through the resistor.
How does resistance affect current?
More resistance = less current
How does voltage affect current?
More voltage = more current
Electricity flows only one way. Both bulbs are on the same circuit, so removing one bulb will cause the other bulb to go out.
Series circuits provide a dim light because they are all connected to the same circuit.
There are two paths through which the current can flow. Each bulb is connected separately to the cell. Each bulb is on a separate circuit. When one bulb is removed, the other bulb stays lit because the other bulb is still part of a complete circuit.
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