Two circuits present the same resistance to the current. In one circuit the battery causing the flow of current has a voltage of 9.0 V, and the current is 3.0 A. In the other circuit the battery has a voltage of 1.5 V. What is the current in this other circuit?
Answer
Using ohm law
"I'=\\frac{V'I}{V}\\\\=\\frac{1.5*3}{9}\\\\=0.5A"
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