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Cheat Sheet Electronics For Dummies. From Electronics For Dummies, 2nd Edition by Cathleen Shamieh, Gordon McComb. Electronics is more than just schematics and circuits. ... Formula; Voltage: V = IR: Current: I = V/R: Resistance: R = V/I: Power: - read more

Electronic & Electrical Cheat Sheets ... This cheat sheet shows how to read the tolerance, ... Looking at the Watts (P) quarter in the circle (top left one), you can see that there's a formula to obtain P given V and R, which happens to be \frac{V^2}{R}. - read more

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