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Current & Circuits

QuestionAnswer
Give an equation for heat lost W=(I^2)*R*t
Give an equation for power P=(I^2)*R
What's the advantage of transferring electricity at high voltage? Less energy is lost as heat
What is the high voltage used called? Extra high tension
What transfers high voltage to low voltage and visa versa? A transformer
What is an ion? An atom or molecule that has gained or lost an electron
What are the charge carriers in an electrolyte? Positive and negative ions
What colour is the live wire? Brown
What colour is the neutral wire? Blue
What colour is the earthing wire? Green & Yellow
What is the kilowatt hour Energy used by a 1000W appliance inn 1 hour
Created by: JackEatonK98
 

 



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