31-03-2020
Physics

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A flashlight is powered by 4, 1.5-volt batteries, which are connected in series. The bulb draws 720mA or 0.72 amps when turned on. Calculate the resistance of the bulb.

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31-03-2020

R=0.12
Use the equation V=I/R
V= voltage (volts)
I= current (amps)
R= resistance (ohms)

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