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Chapter 25: Problem 1

Are household electrical outlets connected in series or parallel? How do you know?

Short Answer

Expert verified
Household electrical outlets are connected in parallel. This is known based on the behavior of the outlets - turning off one appliance does not affect the operation of other appliances, which is characteristic of parallel circuits.

Step by step solution

01

Understanding the Concepts

A series circuit is one where there is only one path for the electrons to flow (or current to flow). This means that the amount of current is the same at any point in the circuit. However, a parallel circuit is one where there are multiple paths for the current to flow. Each appliance connected in a parallel circuit has its own loop, and does not affect the performance of other appliances if it is switched on or off.
02

Comparing with Household Outlets

In the case of household outlets, if they were wired in series, when one appliance is turned off or unplugged, all other appliances would also turn off. However, this is not the case in a household: one can operate an appliance independently of others without affecting the operation of other appliances. This is a clear indication that household outlets are connected in parallel and not in series.
03

Conclusion

Therefore, household electrical outlets are connected in parallel. The independence of operation of each outlet (i.e., turning one appliance off does not affect the operation of other appliances) is a key indicator of a parallel connection.

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Most popular questions from this chapter

When a large electric load such as a washing machine or oven comes on, lights throughout a house often dim. Why?

In some cities, streetlights are wired in such a way that when one burns out, they all go out. Are the lights in series or parallel?

A battery's voltage is measured using a voltmeter with resistance \(10.00 \mathrm{k} \Omega ;\) the result is \(4.982 \mathrm{V} .\) A \(15.00-\mathrm{k} \Omega\) meter gives \(4.993 \mathrm{V}\).Find (a) the battery's voltage and (b) its internal resistance.

Show that a battery delivers the most power when the load resistance across its terminals is equal to its internal resistance. (This is not the way to treat a battery, but it's the basis for load matching in amplifiers; see Problem \(69 .\) )

An ammeter with resistance \(1.42 \Omega\) is connected momentarily across a battery, and the meter reads 9.78 A. When the measurement is repeated with a \(2.11-\Omega\) meter, the reading is \(7.46 \mathrm{A}\). Find (a) the battery voltage and (b) its internal resistance.
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