The current flowing through a resistor can be calculated by using the formula:
a.
b. I = E / R [current equals voltage divided by resistance]
c. I = E + R [current equals voltage plus resistance]
d. I = E - R [current equals voltage minus resistance]
Your answer "a" is not correct. "b" is the right answer.
E = I x R
I = E / R
R = E / I
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