Units
Ohm's Law
Circuits
Power
?
100
Amperes
What is the unit used to measure current?
100
The current in a circuit of 110 V with a resistance 220 ohms.
What is 0.5A?
100
A path for electrons to travel
What is a circuit?
100
The rate at which an appliance converts electric energy to another form of energy.
What is electric power?
100
The amount of electrical energy that is converted into thermal energy increases as this increases.
What is resistance?
200
Volts
What is the unit used to measure electric potential energy?
200
Ohm's law
What is V= IR?
200
A circuit that has only one path for the electric current to follow
What is a series circuit?
200
How power is calculated
What is Power = Current x Voltage?
200
As this decreases, the resistance of a wire increases.
What is the diameter of the wire?
300
Ohm
What is the unit used to measure resistance?
300
I
What is the symbol for current in Ohm's law?
300
A circuit that has more than one path for current to follow
What is a parallel circuit?
300
The current required by a 25 W bulb in a 110-V circuit
What is 0.23 A?
300
This is designed to prevent an overloaded circuit
What is a circuit breaker or a fuse?
400
The amount of power used when 1 A of current flows through a circuit of 1 V.
What is a watt?
400
110V=0.2A x R The resistance when the voltage is 110 V and the current is 0.2 A
What is 550 ohms?
400
How buildings are wired
What are parallel circuits?
400
The amount of energy used when an appliance uses one kW continuously for an hour.
What is a kWh?
400
Batteries convert this into electric potential energy.
What is chemical energy?
500
The unit which electric companies sell electrical energy to homes and businesses.
What is a kWh?
500
The current in a circuit does this as the resistance increases.
What is decreases?
500
This happens to the current as more devices are added to a parallel circuit.
What is increases?
500
the amount of power used when the current is 0.55A and the voltage is 110 V.
What is 60W?
500
Electrons do not readily flow through this.
What is an insulator?
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