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1-Basic Electricity
17 - Section 1: Basic Electricity
| Question | Answer |
|---|---|
| A Nucleus is made up of what? | Neutrons and Protons |
| What charge are protons? | Positive |
| What charge are electrons | Negative |
| What is the outer portion of the atom called? | A shell or ring |
| Does a neutron have a charge? | No |
| What are the factors of electricity? | Amps, Ohms, and Volts |
| What causes electricity? | The movement of electrons |
| What is current? | It is electrical flow |
| How do you measure electrical flow? | In Amps |
| What is voltage? | Electrical Force |
| What is resistance? | Any obstruction to electrical flow |
| How do you measure resistance? | In Ohms |
| What does conventional theory state? | That electrons flow from positive to negative. |
| What does the electron theory state? | That electrons flow from negative to positive. |
| Between the two theories, which one is used In the automotive applications? | Conventional Theory |
| If you keep your voltage constant, then raised the resistance what will happen? | The current decreases |
| If you keep your voltage constant, then lower the resistance, what will happen? | The current increases |
| If the resistance is kept constant, then the voltage is increased, what will happen? | The current will increase |
| If the resistance is kept constant, then the voltage is decreased, what will happen? | The current will decrease |
| E =_x_ | I x R |
| I =_/_ | E / R |
| R = _/_ | E / I |
| What is a load? | Anything that consumes voltage. |
| What path will current follow? | The path of least resistance. |
| Where can you find current? | On any side of the load. |
| Will you always find voltage after the load? | No |
| What two devices are used for control? | Switch and Relay |
| What three devices are used for protection of the system? | Fuses, breakers, and fusible links |
| What three components are needed to make a basic circuit? | Source (power), path, load |
| What components are needed to make a complete circuit? | Source(power), protection, control, path, and load |
| What does ohm's law state? | One volt will push one amp, through one ohm of resistance. |
| Identify the three types of electrical circuits? | Series, Parallel, and Series Parallel |
| What circuit has multiple loads and multiple paths to ground? | Parallel Circuit |
| What type of circuit has one path to ground? | Series |
| What type of circuit has an initial load(s) then breaks up to multiple loads with multiple paths to ground? | Series Parallel |
| When working with an automotive applications, which circuit are you most likely to see? | Parallel |
| In any circuit, Voltage should be consumed? | At the ground side of the last load |
| In the series circuit, the sum of all voltage drop? | Should equal that of the source voltage |
| In a parallel circuit, the total resistance should? | Always be smaller than the smallest resistance of the smallest leg. |
| What should remain the same in a parallel circuit? | Voltage |
| What should remain the same in a series circuit? | Amps |
| What would happen if another leg is added to a parallel circuit? | The circuit total current will increase. |
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