Ohm's Law Triangle Trick

Struggling to remember Ohm's Law? This triangle will make it super easy to recall and use!

Subject: electricity • Classes: 6–12 • Difficulty: basic (6-8)

The Trick

Draw a triangle. Write 'V' (voltage) at the top, 'I' (current) at the bottom left, and 'R' (resistance) at the bottom right. To find any variable, cover it with your finger. The remaining variables show the operation: $V = I imes R$, $I = \frac{V}{R}$, and $R = \frac{V}{I}$. This works because it visually represents the relationships defined by Ohm's Law.

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