Christmas Lightbulb Problems

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1. Consider the circuit on the right. If each Christmas light bulb has a resistance of 8 Ω (Ohms), what is the circuit’s equivalent (total) resistance?

2. Consider the circuit on the right. If each Christmas light bulb has a resistance of 8 Ω (Ohms), what is the circuit’s equivalent resistance?

3. Using Ohm’s law, calculate the total current for the circuits in problems 1 and 2. Assume that the each circuit has a 6-volt battery.

4. Consider the circuits on the second page of this handout. Determine the equivalent resistance (total resistance) for circuits A through H.

5. Assuming that circuits A through H have a 12-volt battery attached to them, determine the equivalent resistance (total resistance) for each.

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