Using Ohm's law, how much current flows when 15.5 V is applied to 5 ohms of resistance?

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Study for the Mechatronics End-of-Pathway (EOP) Test. Explore flashcards and multiple-choice questions, each with hints and explanations. Prepare confidently for your exam!

Multiple Choice

Using Ohm's law, how much current flows when 15.5 V is applied to 5 ohms of resistance?

Explanation:
Ohm’s law relates voltage, current, and resistance with I = V / R. Here, applying 15.5 V across 5 Ω means the current is 15.5 divided by 5, which equals 3.1 A. The current increases with voltage and decreases with resistance, so the same voltage across a smaller resistance would push more current, while a larger resistance would push less. The other numbers come from using the wrong operation or a different resistance (multiplying instead of dividing, or using a much smaller resistance), but with these values the correct current is 3.1 A.

Ohm’s law relates voltage, current, and resistance with I = V / R. Here, applying 15.5 V across 5 Ω means the current is 15.5 divided by 5, which equals 3.1 A. The current increases with voltage and decreases with resistance, so the same voltage across a smaller resistance would push more current, while a larger resistance would push less. The other numbers come from using the wrong operation or a different resistance (multiplying instead of dividing, or using a much smaller resistance), but with these values the correct current is 3.1 A.

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