Vocabulary and Formulas
Circuits
Go With the Flow
Does it light?
Practice Problems
100
The negatively charged subatomic particle.
What is an electron?
100
the type of circuit that when one bulb goes out all the other bulbs in the circuit go out too
What is a series circuit?
100
a material that allows electrons to move through it
What is a conductor?
100
Does the light bulb light in the left diagram, right diagram, both or neither? Why?
Yes, it includes the battery and a closed circuit.
100
What is 0.5 amps
200
The label for this is ohms
What is resistance?
200
a circuit in which electrons have only one path to follow
What is a series circuit?
200
a material that does not allow electricity to move through it
What is an insulator?
200
This type of circuit would not allow current to flow through the components completely back to the battery.
What is open?
200
What is 0.05 amps
300
This equation relates Electric Power, Voltage, and Current. State the name and the formula for full points.
P = V x I
Electric Power formula
300
a type of circuit where electricity has more than one path to travel through
parallel circuit
300
wood, plastic and paper are all ....
insulators
300
Which light bulbs light? Left, right, both or neither?
Neither
300
The electric power supplied by a 12 Volt battery with 3 amps of current running through the wires.
What is 36 watts?
400
This equation relates voltage, current, and resistance. State the name and the formula for full points.
Ohm's Law
V = I x R
400
when one bulb goes out the other stays on
What is a parallel circuit?
400
metals including copper, silver and nickel are....
What is conductors?
400
If I close the switch, does the light bulb light? Why?
Yes, because the circuit became closed
400
The electric energy used by a 2,000 watt power rating hairdryer used for 2.5 hours.
What is 5 kwh?
500
This formula relates Electric Energy, Electric Power, and Time. State the name and the formula for full points.
Electric Energy
E = P x t
500
You would want this type of circuit in a house.
What is a parallel circuit?
500
Why is there a colored insulation around wires?
1. To prevent wires from connecting accidentally
2. To easily identify them
500
Which bulb(s) light? Top, Bottom, both or neither?
Neither
500
The price of the electric energy used by a 5,200 watt power rating dryer used for 256 minutes. The current rate is $0.15 per kwh
What is $3.33?