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Power

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by

Paul Sheffield

on 13 September 2018

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Transcript of Power

Power
Aim
two ways of calculating power

Do it now task
identify the components that produce the following graphs
draw their circuit symbols
Calculating power
P=W/t
P=VI
Current and voltage
Charge = Current x time
Energy transferred = Voltage x Charge
Power = Voltage x Current
Work done
Energy transfered
measured in joules
calculate the maximum energy transferred
Kinetic energy
Gravitational potential energy
calculate using:
W=Fxd
Full transcript