The formula for total current in a parallel circuit is ____.

A. IT = IR1 = IR2 = IR3 ...= IRn
B. IT = IR1 + IR2 + IR3 ...+ IRn
C. 1/ IT = 1/IR1 + 1/IR2 + 1/IR3 ...+ 1/IRn
D. IT = IR1 - IR2 - IR3 ...- IRn


Answer: B

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