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Ohm's Law
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If a 3 volt battery causes 300 mA to flow in a circuit, the circuit resistance is:
a.
10 ohm
b.
9 ohm
c. 5 ohm
d. 3 ohm
Your answer "b" is not correct. "a" is the right answer.
R = E / I
= 3 / 0.3
= 10 ohms.
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