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Chapter 50: Problem 7

What use(s) could be made of the flow of electrons in the wire?

Short Answer

Expert verified
The flow of electrons in a wire, or electric current, can be utilized in various ways. It can be used to power electrical devices, transmit electrical signals for communication, and generate magnetic fields which can be used to create electromagnets.

Step by step solution

01

Understanding Electron Flow

Firstly, it's important to understand what is meant by 'flow of electrons'. Current electricity is the flow of electric charge. The electric charge flows as an electric current. In wires this current is often carried by minute particles called electrons which move from negative to positive.
02

Electrical power supply

The flow of electrons in a wire can be used to power electrical devices. This is the most basic and common use of electron flow. Everything from small electronic devices, like a smartphone, to larger appliances, like a refrigerator, use the flow of electrons in a wire to function.
03

Transmission of Signals

Electron flow is also used in the transmission of electrical signals. In communication systems, for example, electrical signals are sent from one place to another, allowing us to watch television, use the internet, or talk on the phone.
04

Generation of Magnetic Fields

The flow of electrons, or electric current, through a wire also generates a magnetic field around the wire. This principle is used in creating electromagnets, which have various uses from picking up heavy metal objects to being used in electronic devices like speakers or hard drives in computers.

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Most popular questions from this chapter

The standard reduction potentials for \(\mathrm{Ag}^{+}(\mathrm{aq})\) and \(\mathrm{Au}^{+}(\mathrm{aq})\) are \(\begin{array}{lr} & E_{\mathrm{red}}^{\circ} \\ \mathrm{Ag}^{+}+1 \mathrm{e}^{-} \rightleftarrows \mathrm{Ag}(\mathrm{s}) & .80 \\\ \mathrm{Au}^{+}+1 \mathrm{e}^{-} \rightleftarrows \mathrm{Au}(\mathrm{s}) & 1.68\end{array}\) Which ion, \(\mathrm{Ag}^{+}(\mathrm{aq})\) or \(\mathrm{Au}^{+}(\mathrm{aq})\), exhibits the stronger pull on electrons?

Which is the stronger oxidizing agent, \(\mathrm{Cu}^{2+}(\mathrm{aq})\) or \(\mathrm{H}^{+}(\mathrm{aq})\) ?
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