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81. A 5.00 amp current passes through a 2.50 ohm resistor.  What is the voltage drop across the resistor?
     
A. 0.500 volts Ohm's  Law    V  =  IR  =  5.00 amp x 2.50 ohm = 12.5 volts

The Correct Answer is D.

 
B. 2.00 volts
C. 7.50 volts
D. 12.5 volts