When a wire is made smaller, the resistance increases. which happens to the electric current? a. the current decreases. b. the current increases. c. there is no effect on the current.

If there is a voltage source connected to the wire, the current will decrease as per Ohm's Law.

Explanation:

Supposing that there is a battery that provides potential difference to the ends of the wire, the actual current will decrease from the previous situation, according to Ohm's Law:

From this equation, with a constant V of the power source as the resistance "R" increases (larger in the denominator of that rational expression) the current "I" will decrease.

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