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A circuit has a current of 1.2 A. If the voltage decreases to one-third of its original amount while the resistance remains constant, what will be the resulting current?

0.3 A
0.4 A
1.2 A
3.6 A

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Answered by GPT-5 mini AI
0.4 A

Explanation: With resistance constant, current is proportional to voltage (I = V/R). If voltage becomes one-third, current becomes one-third: 1.2 A ÷ 3 = 0.4 A.