Terms & Definitions - Module 23
Match the following definitions (or descriptions) to the terms listed below them.
The correct answer is indicated by the "=====".
1. Measured in volts. This is the difference in electric potential between two points.
1. Potential Difference =====
2. Electric Current
3. Electrical resistance
4. Superconductor
5. Ohm's law
6. Direct current (DC)
7. Alternating current (AC)
8. Electric power
9. Series ciruit
10. Parallel circuit

2. Measured in ohms. A material resists the flow of electric charge, while permitting some flow of electric charge.
1. Potential Difference
2. Electric Current
3. Electrical resistance =====
4. Superconductor
5. Ohm's law
6. Direct current (DC)
7. Alternating current (AC)
8. Electric power
9. Series ciruit
10. Parallel circuit

3. Current in a circuit increases if voltage is increased, and decreases if resistance is increased.
1. Potential Difference
2. Electric Current
3. Electrical resistance
4. Superconductor
5. Ohm's law =====
6. Direct current (DC)
7. Alternating current (AC)
8. Electric power
9. Series ciruit
10. Parallel circuit

4. Electrical charges flow in one direction, then switch direction and flow in the opposite direction. They repeat this process, usually several times a second.
1. Potential Difference
2. Electric Current
3. Electrical resistance
4. Superconductor
5. Ohm's law
6. Direct current (DC)
7. Alternating current (AC) =====
8. Electric power
9. Series ciruit
10. Parallel circuit

5. Measured in amperes. Electric charges flow and transport energy from one location to another.
1. Potential Difference
2. Electric Current =====
3. Electrical resistance
4. Superconductor
5. Ohm's law
6. Direct current (DC)
7. Alternating current (AC)
8. Electric power
9. Series ciruit
10. Parallel circuit

6. At very low temperatures, these materials exhibit no resistance against current flow.
1. Potential Difference
2. Electric Current
3. Electrical resistance
4. Superconductor =====
5. Ohm's law
6. Direct current (DC)
7. Alternating current (AC)
8. Electric power
9. Series ciruit
10. Parallel circuit

7. Electric current flowing in only one direction.
1. Potential Difference
2. Electric Current
3. Electrical resistance
4. Superconductor
5. Ohm's law
6. Direct current (DC) =====
7. Alternating current (AC)
8. Electric power
9. Series ciruit
10. Parallel circuit

8. An electric circuit where the resistors are connected in such a manner that the current (in amperes) flowing through each resistor has to be the same as the current flowing through each of the other resistors.
1. Potential Difference
2. Electric Current
3. Electrical resistance
4. Superconductor
5. Ohm's law
6. Direct current (DC)
7. Alternating current (AC)
8. Electric power
9. Series ciruit =====
10. Parallel circuit

9. An electric circuit where the resistors are connected in such a manner that the voltage (potential) across each resistor has to be the same as the voltage across each of the other resistors.
1. Potential Difference
2. Electric Current
3. Electrical resistance
4. Superconductor
5. Ohm's law
6. Direct current (DC)
7. Alternating current (AC)
8. Electric power
9. Series ciruit
10. Parallel circuit =====

10. Measured in Watts or kilowatts. The amount of electrical energy transferred per unit time.
1. Potential Difference
2. Electric Current
3. Electrical resistance
4. Superconductor
5. Ohm's law
6. Direct current (DC)
7. Alternating current (AC)
8. Electric power =====
9. Series ciruit
10. Parallel circuit

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