Unit 2 Vocab Magic of Electrons

What is a capacitor?

• A device that permits current to flow through it in only one direction.

• An electrical device used to store electrical charge.

• A group of electronic components that work together to perform a specific function.

• A resistor that changes its resistance with a change of temperature.

What does a circuit diagram represent?

• A drawing that traces the path that electron flow will take in an electronic circuit.

• A device that permits current to flow through it in only one direction.

• A group of electronic components that work together to perform a specific function.

• Resistors that have a value that cannot be changed.

What is the function of a diode?

• A device that permits current to flow through it in only one direction.

• An electrical device used to store electrical charge.

• A group of electronic components that work together to perform a specific function.

• A diode that will produce light when current flows through it.

What is an electronic circuit?

• A device that permits current to flow through it in only one direction.

• An electrical device used to store electrical charge.

• A group of electronic components that work together to perform a specific function.

• A resistor that changes its resistance with a change of temperature.

What is a fixed resistor?

• A device that permits current to flow through it in only one direction.

• An electrical device used to store electrical charge.

• Resistors that have a value that cannot be changed.

• A diode that will produce light when current flows through it.

What is the purpose of a resistor in an electronic circuit?

• To control the flow of current in a circuit.

• To store electrical charge.

• To perform a specific function in a circuit.

• To change its resistance with a change of temperature.

What is the function of a transistor?

• A device that permits current to flow through it in only one direction.

• An electrical device used to store electrical charge.

• A small electronic device used in a circuit as an amplifier or switch.

• A diode that will produce light when current flows through it.

What is the purpose of a thermistor in an electronic circuit?

• To control the flow of current in a circuit.

• To store electrical charge.

• To perform a specific function in a circuit.

• To change its resistance with a change of temperature.

What is a resistor that has a value that cannot be changed?

• Flexible Resistor

• Fixed Resistor

• Thermistor

• Ohm's Law

What is a diode that will produce light when current flows through it?

• Resistor

• Photoresistor

• LED (Light emitting diode)

• Transistor