#ohms-law-currentMCQ

Ohm's Law

Practice Focus level Class 10 science MCQ on ohm's law with answer, solution, FAQ, and exam-focused revision.

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If a potential difference of 12 V is applied across a 4 $Ω$ resistor, the current is:

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FAQ

What is Ohm's law?

Ohm's law is $V = I R$ .

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Common mistake: Students sometimes multiply $V$ and $R$ instead of dividing.

Practice a Focus level Class 10 science MCQ on ohm's law with answer and clear solution.