A 2.0
resistor is connected across a 6.0 V power supply. An ammeter with internal resistance of 1.0 
is used to measure the current in this circuit. What is the ammeter reading?
A. 4.0 A
B. 3.0 A
C. 2.0 A
D. 1.0 A
E. an ammeter with less resistance than the rest of the circuit will not produce a reading
C. 2.0 A
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