 As you should have observed from the lab experiment you performed yesterday, there is an inverse relationship between the current and the resistance.

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Presentation transcript:

 As you should have observed from the lab experiment you performed yesterday, there is an inverse relationship between the current and the resistance in a simple circuit. This relationship is known as Ohm’s Law.

 Ohm’s Law

  An 8.0 Ω toaster is plugged into a 120. V outlet. The current through the toaster will be… Example #1

  How many electrons will enter the toaster in 2.0 minutes? Example #1 cont.

  An electric clothes dryer runs with an input voltage of 240 V. If 2.60 x electrons enter the dryer’s heating element in 50 minutes, what is the resistance of the heating element? Example #2