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CHAPTER 7 ELECTRICITY BINGO

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A circuit in which current has more than one path is called a _________________ circuit.

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PARALLEL

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A circuit in which current has only one path is called a _________________ circuit.

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SERIES

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Materials through which charge flows easily are called ____________________.

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CONDUCTORS

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Materials through which charge does not flow easily are called ____________________.

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INSULATORS

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An atomic particle that carries a positive charge.

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PROTON

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An atomic particle that carries a negative charge.

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ELECTRON

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An atomic particle that is neutral.

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NEUTRON

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The flow of electric charges in a circuit

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CURRENT

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The tendency for a material to oppose the flow of electrons

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RESISTANCE

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A path through which electric charges may travel

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CLOSED CIRCUIT

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A shorthand method to represent the arrangement of the parts in a circuit

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SCHEMATIC DIAGRAM

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A device that may be used to stop and start the flow of electricity in a circuit

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SWITCH

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What is the arrow pointing to?

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RESISTOR

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What is the arrow pointing to?

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WIRE

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A device that protects circuits from high current is a circuit ____________________.

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BREAKER

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A battery uses ______________ energy to move charges.

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CHEMICAL

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A metric unit used to measure current

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AMPERE

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A metric unit used to measure resistance

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OHM

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A metric unit used to measure voltage

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VOLT

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The mathematical relationship between current, voltage, and resistance is known as:

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OHM’S LAW

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Calculate the total resistance:

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9 ohms

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Positive electric charges ATTRACT _____________ electric charges

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NEGATIVE

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What is the current in each resistor? 9V 3 ohms

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3 AMPS

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What is the voltage in a circuit that has a current of 2.4 A and a resistance of 4.0 ?

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9.6 VOLTS

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A stove uses a power source of 240 V and draws a current of 5.0A what is the resistance in the stove?

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48 OHMS

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