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Electrial Circuits

Name the components

QuestionAnswer
Changes resistance (like a dimmer switch) variable resistor
Allows current to travel in only one direction diode
Completes a circuit to allow current to flow Closed switch
Breaks a circuit to stop current flowing Open switch
Measures current annometer
Measures potential difference voltmeter
Stores electrical charge battery
Unit of resistance ohm
Unit of current amp or ampere
Unit of potential difference volt
The law defining the relationship between voltage, current and resistance Ohm's Law
The formula for Ohm's Law (providing temperature remains constant) V = I x R, I = V/R , R = V/I
Created by: burnettk