Solve.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is 
for a resistor whose resistance is 
and when the current flowing through the resistor is 
find the voltage across a resistor whose resistance is 
and when the
current flowing through the resistor is 
A. 12 volts
B. 36 volts
C. 27 volts
D. 18 volts
Answer: B
Mathematics
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A. 
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i
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+ 
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