3 are the lights at your home connected in parallel

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Introduction to Statistics and Data Analysis
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Chapter 1 / Exercise 5
Introduction to Statistics and Data Analysis
Olsen/Peck
Expert Verified
3.) Are the lights at your home connected in parallel? Why? 4.) The maximum output current from the power supply is 2 A. What is the
maximum number of light bulbs (used in this experiment) can be connected in parallel with the power supply? What will happen if more than 10 such light bulbs are connected in parallel with the power supply?
Data analysis 4 1.) Although currents I 2 and I 3 are not measured directly you can find the values of I 2 and I 3 form the measured current in table 5 (assume all four light bulbs have the same resistance). Find the values of I 2 and I 3 (with all four bulbs in the circuit) at
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Introduction to Statistics and Data Analysis
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Chapter 1 / Exercise 5
Introduction to Statistics and Data Analysis
Olsen/Peck
Expert Verified
Using these data explain why bulbs #2 and #3 are brighter at V s = 10V that at V s = 5V.
2.) Using above data and the measured data of current in table 5 explain: a. Why bulbs #1 and #4 are brighter than bulbs #2 and #3 at both V s = 5V and 10V when all the 4 bulbs are in circuit? b. Why bulbs #3 becomes brighter after bulb #2 is removed (all other
bulbs remained in the circuit).
3.) Can the lights at you home be connected as shown in Fig. 4? Why?
Discussions and Conclusions : Electricity runs through homes in parallel circuits because they are much more practical than a series circuit. If one light goes out, the rest of them can still remain on which is a very important aspect within a home. You can think of it this way as well: You do not need your refrigerator; oven, and dishwasher running constantly the entire time do you? Imagine the electrical bill if that were the case. This is exactly why electricity in homes is not set up in series. It is very inefficient.

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