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SAT® Subject Test in Physics

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Parallel Currents

SATPHY-4K7YKX

The circuit below shows three identical resistors labeled 1, 2, and 3.

The reading on the ammeter is 12.0 A. How much current flows in each resistor?

A

$4.0\ A$

B

$12.0\ A$

C

$36.0\ A$

D

We cannot determine the current values without knowing the resistor values.

E

We cannot determine the current values without knowing the battery voltage.