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Ohm’s Law

Ohm’s Law. If you know 2 of the 3 quantities, you can solve for the third. V =IR. R =V/I. I =V/R. Memorize!!!. We’ll use!. Measuring Voltage. = is DC ~ is AC. Measure across a component. . Switch. Battery. Resistor. Light. We’ll use!. Measuring Current. = is DC ~ is AC.

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Ohm’s Law

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  1. Ohm’s Law If you know 2 of the 3 quantities, you can solve for the third. V=IR R=V/I I=V/R Memorize!!!

  2. We’ll use! Measuring Voltage = is DC ~ is AC Measure across a component. Switch Battery Resistor Light

  3. We’ll use! Measuring Current = is DC ~ is AC Circuit flow must go through the meter. Switch Battery Resistor Light

  4. We’ll use! Measuring Resistance = is DC ~ is AC Measure across the component being tested. Power must be off or removed from the circuit. Switch Battery Resistor Light

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