Ohm's Law Circle: Electricity Made Easy!

Struggling with Ohm's Law? Did you know there's a super easy way to remember and apply it using a simple circle?

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

The Trick

Ohm's Law ($V = IR$) relates Voltage (V), Current (I), and Resistance (R). Draw a circle. Split it horizontally and vertically. Put V on top, I on the left, and R on the right. To find any variable, cover it up! If the remaining variables are side-by-side, you multiply. If one is above the other, you divide. WHY? It's a visual representation of the formulas: $V = IR$, $I = \frac{V}{R}$, and $R = \frac{V}{I}$.

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