Solve.An electrical circuit has a resistance of 3 ohms and a current of -7 amps. Find the voltage.
A. -10 V
B. 21 V
C. -21 V
D. -22 V
Answer: C
Mathematics
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A. 6, 5 B. 5, 12 C. 5, 10 D. 10, 24
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A. 
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