a) (3 points) Describe the balance of forces that hold together the subatomic particles in the nuclei of atoms. Answer:

Number of bulbs

(3 points) Data table (part 4) Combined Circuit

 (4 points)

1.     What was the resistance of the light bulb in Part 1? Explain how you might determine the equivalent resistance of two bulbs in series or parallel with this technique.

Answer:

(3 points)

2.     Complete each of the following parts:

a.) Draw the circuit diagram for the three bulbs in series that you assembled in Part 2. Label the voltage and the resistances of each bulb.

b.) For the three bulbs in series, how did the measured total voltage, current across each bulb, total current, and voltage drop across each bulb compare to the values that you calculated?

c.) How did the equivalent resistance, voltage drop across each bulb, total current, and total voltage change as you added bulbs in series to the circuit?

Answer:

(3 points)

3.     Complete each of the following parts:

a.) Draw the circuit diagram for the three bulbs in parallel that you assembled in Part 3. Label the voltage and the resistances of each bulb.

b.) For the three bulbs in parallel, how did the measured total voltage and total current compare to the values that you calculated?

c.) How did the equivalent resistance, voltage drop across each bulb, total current, and total voltage change as you added bulbs in parallel to the circuit?

Answer:

(3 points)

4.     Complete each of the following parts:

a.) Draw the circuit diagram for the three bulbs in the combined circuit that you assembled in Part 4. Label the voltage and the resistances of each bulb.

b.) What was the equivalent resistance and total current through the circuit?

c.) Which bulb had the greatest current and voltage drop?

Answer:

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