Power is the rate at which work is done. This is an essential topic for anyone studying physics
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What is voltage?
What is the resistance of a material dependent on?
What is power?
1 W = ? J/s
Which is cheaper? Power from a wall socket or power from a battery?
Batteries produce AC or DC currents?
Wall sockets produce AC or DC current?
If R= p/I^2 then what is the resistance of a 12 watts on a 3 watt current?
