Asked by BP

What happens when you plug more equipment into apower board in terms of it's resistance and current. Explain.
Answered by drwls
Plugging another appliance or resistor into a "power board" is like adding another resistor in parallel. The total current that the power board provides goes up, and the effective resistance that it is connected to (V/I) goes down.
Answered by Aviana
An electric hair dryer has a power rating of 1200W and is designated to be used on a 120V household circuit. How much current flows through the dryer when it is in use?
Answered by mike
1200w/120v=10A
i=10amps
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