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Electronics
Componants, measures, units and circuits.
Question | Answer |
---|---|
What is a diode? | A diode is a device that allows current to flow in one direction only. |
What do the letters L.E.D stand for? | Light Emitting Diode. |
What do the letters L.D.R. stand for? | Light Dependent Resistor. |
What type of device is an L.D.R? | A Resistor. |
How do resisters effect the current in a circuit? | They slow down the current. |
Do L.E.Ds use less or more energy than a bulb? | Less |
Does current in a battery flow from positive to negative or negative to positive? | Negative to positive. |
What type of device is an L.E.D? | A diode. |
Does resistance decrease or increase as more light is added to the L.D.R? | Decreases. |
As the L.D.R looses light, Does resistance decrease or increase? | Increases |
What is current? | The flow of electrons. |
What are the units of current? | amps. |
What are the units of voltage? | Volts. |
What are the units of resistance? | ohms. |