Electric Circuits #1 Word Scramble
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Question | Answer |
What is the unit of measure for current? | Amperes (or Amps) |
What is the unit of measure for voltage? | Volts |
What is the unit of measure for resistance? | Ohms |
Give an example of a good conductor. | Metal (copper, aluminum, gold, silver) |
Give an example of a good insulator. | Plastic, rubber, wood, air, glass |
What function does an SPDT switch typically perform? | Switches between two different circuit paths |
What function does an SPST switch typically perform? | Opens or closes a circuit |
What is a series circuit? | An electric circuit with a SINGLE path. |
What is a parallel circuit? | An electric circuit with MULTIPLE paths. |
What function does a capacitor perform? | Stores electrical charge. |
What function does a "Junction or connection" perform? | It connects to parts of an electrical circuit. |
What function does a "crossing, no connection" perform? | It allows two wires to cross without conducting electricity. |
What function does a "Battery Cell" perform? | It provides energy for an electrical circuit. |
What function does a "resistor" perform? | It slows down the flow of electrons in a circuit. |
What function does a "diode" perform? | It allows current to only flow in one direction. |
What function does a "Light Emitting Diode" perform? | It allows current to only flow in one direction, and lights up in the correct direction. |
What function does a "Variable resistor" perform? | A variable resistor is a potentiometer with only two connecting wires instead of three. It allows the resistance to change. |
What function does a "Potentiometer" perform? | It allows for varying the voltage across a circuit by using a knob or slider. |
What function does an DPST switch typically perform? | Opens or closes TWO different circuits. |
What function does an DPDT switch typically perform? | Switches between two different circuit paths for TWO different circuits. |
What does LED stand for? | Light emitting diode |
Is the positive side of a LED the longer or shorter wire? | Longer |
What is an electical circuit? | A loop of conducting material that allows electrons to flow. |
What is an open circuit? | A circuit is open if the electron flow is stopped. For example, by a switch. |
What is a closed circuit? | A circuit is closed if the electrons flow. |
What is a short circuit? | A circuit where current does not flow through any components. |
What is voltage? | Measure of how much "potential energy" exists to move electrons from one point to another in a circuit. |
What is current? | Electrons flowing between two points. |
What is resistance? | A slowing of the flow of electrons. |
If the voltage is constant and the resistance increases, what happens to the current? | The current decreases. (I = V/R) |
If the voltage is constant and the current increases, what happens to the resistance? | The resistance decreases. (R = V/I) |
If the current is constant and the resistance increases, what happens to the voltage? | The voltage increases. (V = I*R) |
If the current is constant and the voltage increases, what happens to the resistance? | The resistance increases. (R = V/I) |
If the resistance is constant and the voltage increases, what happens to the current? | The current increases. (I = V/R) |
If the resistance is constant and the current increases, what happens to the voltage? | The voltage increases. (V = I*R) |
When resistors are connected in PARALLEL, will the total resistance be LESS THAN or GREATER THAN any of the individual resistors? | LESS THAN. |
When resistors are connected in SERIES, will the total resistance be LESS THAN or GREATER THAN any of the individual resistors? | GREATER THAN. |
If two lamps are connected in SERIES, what will happen to the brightness of each lamp compared to only having one lamp? | The lamps will be dimmer (less bright). |
If two lamps are connected in PARALLEL, what will happen to the brightness of each lamp compared to only having one lamp? | The lamps will be the same brightness. |
Created by:
mblommer
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