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A 100.0 resistor, a 50.0 resistor, and a 40.0 resistor are connected in parallel and placed across a 12.0 V battery. (
a. What is the equivalent resistance of the parallel circuit? Incorrect: Your answer is incorrect. (
b. What is the current delivered by the battery? A (
c. What is the current through each branch of the circuit? A (through 100.0 resistor) A (through 50.0 resistor) A (through 40.0 resistor)

Answer :

a) R = 1 / ( (1 / R1)+(1 / R2)+(1 / R3) )
b) I = U / R
c) I1 = U / R1 ... etc.

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