What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA?
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Bideford Henry hydro
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V = I * R (By ohms law)
R = V/I
R = 18/0.22
R = 900/11 approx
I don't know is this correct. I hope it helps
R = V/I
R = 18/0.22
R = 900/11 approx
I don't know is this correct. I hope it helps
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