Brandon B. answered • 03/02/21
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Cornell Physics PhD. 10+ years teaching college math/physics.
Ohm's law is V = IR and power can be written as P = IV = V2/R.
Rachel T.
asked • 03/02/21A flashlight uses batteries that add up to 6.0 V and has a power output of 0.64 W. (a) How much current is drawn from the batteries? A (b) What is the effective resistance of the flashlight? Ω
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