Engineman (EN) A School Test 1 Practice Test

Which statement describes the relationship between voltage, current, and resistance in Ohm's law?

Increases in resistance with fixed voltage increase current Increasing voltage with constant resistance increases current Current is independent of voltage and resistance Voltage equals current divided by resistance

Correct Answer:

Increasing voltage with constant resistance increases current

Explanation:

Ohm’s law links voltage, current, and resistance with V = IR. This means current equals voltage divided by resistance, and voltage equals current times resistance. With resistance fixed, increasing the voltage pushes more current through, so current rises proportionally. That’s why increasing voltage with constant resistance is the correct description of the relationship. Keep in mind: if resistance increases while voltage stays the same, current would actually decrease. And voltage is not current divided by resistance; the correct form is V = IR, not V = I/R.

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