Solve.If the resistance in an electrical circuit is held constant, the amount of current flowing through the circuit is directly proportional to the amount of voltage applied to the circuit. When 3 volts are applied to a circuit, 75 milliamperes of current flow through the circuit. Find the new current if the voltage is changed to 4 volts.
A. 56.25 milliamperes
B. 6.25 milliamperes
C. 100 milliamperes
D. 125 milliamperes
Answer: C
Mathematics
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