19
QuizMultiple Choice

Ohm's Law — Quiz

Question 19 • Physical Science

Which statement describes the relationship of voltage and current?

Answer
A
Voltage is inversely proportional to current because cap i is equal to cap v cap r .
B
Voltage is directly proportional to current because cap i is equal to cap v cap r .
C
Voltage is inversely proportional to current because cap i is equal to cap v over cap r .
D
Voltage is directly proportional to current because cap i is equal to cap v over cap r .

Explanation

Ohm’s law is I = V/R, where I is current, V is voltage, and R is resistance. If resistance stays constant, increasing voltage increases current in the same proportion, so voltage and current are directly proportional. Therefore, the correct choice is “Voltage is directly proportional to current because I equals V over R.”

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