If the voltage remains constant and resistance increases, what happens to current?

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Study for the BCTC Industrial Maintenance Technology AMTEC – NOCTI Mechatronic Assessment. Prepare with comprehensive question sets and detailed explanations. Ensure success with our targeted practice!

Multiple Choice

If the voltage remains constant and resistance increases, what happens to current?

Explanation:
With a constant voltage, current follows I = V/R. If you raise the resistance while keeping V the same, the quotient V/R gets smaller, so the current decreases. For example, doubling the resistance halves the current. The current wouldn’t increase or stay the same under these conditions, and it wouldn’t become negative unless the voltage polarity reversed. So the current decreases.

With a constant voltage, current follows I = V/R. If you raise the resistance while keeping V the same, the quotient V/R gets smaller, so the current decreases. For example, doubling the resistance halves the current. The current wouldn’t increase or stay the same under these conditions, and it wouldn’t become negative unless the voltage polarity reversed. So the current decreases.

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