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electricityequations

electricity chapter

QuestionAnswer
Formula for electrical POWER P=IV
1.Unit for electrical power 2.term for 1,000 1.Watts(W) 2.kilowatt(kW)
'P' 'P' is power (expressed in watts/W)
'I' 'I' is the current (amps)
'V' 'V' is the voltage (volts/V)
formula for voltage V=IR or I=V/R
'R' 'R' is the resistance (expressed in ohms) (the horseshoe looking one)
Formula for electrical ENERGY E=Pt
'E' 'E' is electrical energy (kWh)
't' 't' is time (hours/h)
Created by: Sophia Richmond
 

 



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