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24 Cards in this Set
- Front
- Back
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The opposition to the flow of electricity is called
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resistance
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The unit of charge is called
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coulomb
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The work required to move a charge between two points is called
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potential difference
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What is NOT true regarding a series circuit?
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The current reverses directions at regular intervals
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When electrons move back and forth, reversing their direction regularly, the current is called
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alternating current
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The unit of current is called an
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ampere
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A complete, closed path for an electric current is called a
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circuit
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The higher the electric current in a wire, the ____ electric charges that are passing through.
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more
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What is NOT a proper way to handle electricity?
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run wires under carpet
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A battery is
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direct current
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Resistance is measured in a unit called
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ohm
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The flow of charge is called
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current
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Electric current cannot flow through an ______ circuit
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open
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What devices does NOT work to move electric charges?
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electroscope
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Potential difference is measured in a unit called a
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volt
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If different parts of an electric circuit are found on separate branches of the circuit, the circuit is called a
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parallel circuit
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A resettable device that protects a circuit from becoming overloaded is called a
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circuit breaker
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Another name for potential difference is
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voltage
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Electric power is measured in
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watts
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As the length of wire increases, the resistance
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increases
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What is the formula for Ohm's law?
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I= V/R
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What is a device that produces electricity by converting chemical energy into electrical energy?
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battery
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A device that produces electrical energy from thermal energy is called
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thermocouple
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When current always flows in the same direction, it is called
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direct current
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