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Electronics

Componants, measures, units and circuits.

QuestionAnswer
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.
Created by: sarahmeade02