Circuits run on three ideas: Ohm's law \( V = IR \), conservation of charge at every junction, and conservation of energy around every loop. That is Kirchhoff in one sentence. Practice circuits free below with multiple choice (MCQ) questions and quizzes, graded instantly.
Series shares current, parallel shares voltage. Get that pair straight and resistor networks, brightness-of-bulb rankings, and meter placement all fall in line.
Practice 229 questions on Electric Circuits & Ohm's Law below with free multiple choice (MCQ) and quizzes, graded instantly.
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