# Solving a Perplexing Thought Experiment: A DC Electrical Circuit

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In summary, according to the summary, it will take 2 years for the bulb to light up if you send a photon at a target that is 1 LY away at and rest wrt to you.
Keep in mind that the power actually flows outside (albeit very close) to the wire. This is determined by calculation of what is known as the Poynting vector.
There are quite a few references to this on the web, the earliest I know of is 1963. John Kraus in his book "Electrodynamics" - 4th edition illustrates this on page 578.

<h2>What is a perplexing thought experiment?</h2><p>A perplexing thought experiment is a hypothetical scenario that challenges our understanding of a concept or theory. It often involves a complex problem or paradox that requires critical thinking and creativity to solve.</p><h2>What is a DC electrical circuit?</h2><p>A DC (direct current) electrical circuit is a closed loop of electrical components that allows current to flow in only one direction. It typically consists of a power source, such as a battery, and various components such as resistors, capacitors, and inductors.</p><h2>What are some common challenges when solving a perplexing thought experiment involving a DC electrical circuit?</h2><p>Some common challenges include understanding the principles of electricity and circuit analysis, identifying the relevant variables and parameters, and determining the appropriate mathematical equations to use in the solution.</p><h2>What is the importance of solving a perplexing thought experiment involving a DC electrical circuit?</h2><p>Solving a perplexing thought experiment involving a DC electrical circuit can help us better understand the principles of electricity and circuit analysis. It also allows us to develop critical thinking and problem-solving skills that are applicable in many areas of science and engineering.</p><h2>What are some strategies for solving a perplexing thought experiment involving a DC electrical circuit?</h2><p>Some strategies include breaking down the problem into smaller, more manageable parts, drawing diagrams or schematics to visualize the circuit, and using mathematical equations and principles to analyze the circuit. It can also be helpful to collaborate with others and think outside the box to find creative solutions.</p>

## What is a perplexing thought experiment?

A perplexing thought experiment is a hypothetical scenario that challenges our understanding of a concept or theory. It often involves a complex problem or paradox that requires critical thinking and creativity to solve.

## What is a DC electrical circuit?

A DC (direct current) electrical circuit is a closed loop of electrical components that allows current to flow in only one direction. It typically consists of a power source, such as a battery, and various components such as resistors, capacitors, and inductors.

## What are some common challenges when solving a perplexing thought experiment involving a DC electrical circuit?

Some common challenges include understanding the principles of electricity and circuit analysis, identifying the relevant variables and parameters, and determining the appropriate mathematical equations to use in the solution.

## What is the importance of solving a perplexing thought experiment involving a DC electrical circuit?

Solving a perplexing thought experiment involving a DC electrical circuit can help us better understand the principles of electricity and circuit analysis. It also allows us to develop critical thinking and problem-solving skills that are applicable in many areas of science and engineering.

## What are some strategies for solving a perplexing thought experiment involving a DC electrical circuit?

Some strategies include breaking down the problem into smaller, more manageable parts, drawing diagrams or schematics to visualize the circuit, and using mathematical equations and principles to analyze the circuit. It can also be helpful to collaborate with others and think outside the box to find creative solutions.

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