the current through a device is 0.30 A, and the resistance in the device is 40 ohms. How many 1.5 V batteries are required to run the device? 2, 4 , 6 , or 8 ? :/

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the current through a device is 0.30 A, and the resistance in the device is 40 ohms. How many 1.5 V batteries are required to run the device? 2, 4 , 6 , or 8 ? :/

Physics
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the needed voltage drop is: 40*0.3=...volts
we get 12?
so the request number of batterie is: 12/1.5=...?

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Other answers:

batteries*
8! ohh okay so that is our solution?
yes!
yay thanks!:D
:)

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