1. We conclude that in a series circuit with fixed battery voltage, the same current must flow everywhere regardless of the resistance of the circuit elements in order for con- servation of charge to be satisfied. What does this observation say about the amount of excess charge that gets "stuck" in a light bulb as current flows through it? 

2. We conclude that in a series circuit with fixed battery voltage, a greater resistance in one element means there needs to be a larger electric field to drive electrons through with the same speed. What does this observation imply about the brightness or tem- perature of a light bulb with a larger resistance? 

3. We conclude that in a series circuit with fixed battery voltage, a larger voltage drop in one element corresponds to greater resistance because voltage acts like potential en- ergy so more must be dissipated by the "friction" of resistance. Can this observation be related to Ohm's law?

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