Safety Measures
A simple device that contains a metal wire or strip with a specific melting point that will burn and break the circuit
A fuse
Volts
In a parallel circuit with a 3 volt battery, and 2 lightbulbs, what would the voltage be of the 2 lightbulbs
3 V
Where the electrical energy comes from in a circuit
Source (Battery / Cell)
When electric charge is collected and stored in one place
Static electricity
Circuits in the home are protected by _________
Circuit breakers
What is the unit for Current?
Amperes
In a series circuit with a 3 volt batter, and 2 lightbulbs, what would be the voltage of the lightbulbs?
1.5 V
The device that recieves the electrical energy and transforms it into another type of energy
A continuous flow of electric charge moving from one place to another along a pathway
Current electricity
Provides a path for excess current to flow if it is leaked into metal components of a circuit
Ground wire
What is the unit for Resistance?
Ohms
In a series circuit with 5 A of current and 15 V what is the resistance?
3 Ohms
The material through which the electrical current flows
Conductor
The amount of charge passing a given point per second
Electric Current
When the current is too high, this type of circuit breaker, a metal strip in the breaker with heat up, bend, and open the circuit
Thermal Breaker
What is the measurement for Charge?
Coulombs
In a series circuit with a resistor of 7 ohms, and a current of 7 A, what is the voltage?
42 V
A device that can turn a circuit on or off by opening or closing the circuit
Switch
Factor which slows or restricts the flow of electrons
Resistance
When the current is too high, this type of breaker, has an electromagnet which pulls the switch open
Magnetic Breaker
Electricity is the movement of _________
Electrons
In a series circuit with an 18 V Battery, one resistor with 5 ohms, and and another resistor with 4 ohms, what is the current of the circuit
2 A
A device which measures the amount of voltage in a circuit
Voltmeter
The difference in potential energy from one point to another
Electrical Potential Difference (Voltage)