What is the relationship between the strength electric field and the source charge?

Paper instructions:
Select a concept or issue that was covered in lecture (Electric field of distributed charges; electric fields and matter; electric field) and formulate a question (see examples at the end ). This question should be stated explicitly in your assignment, either as the title or in the first paragraph of your essay, which should be double-spaced:
Select the relevant information from class notes and the textbook, and write a 1-2 page response to your question. You should attempt to organize the material in a meaningful way, rather than simply listing the main facts or research findings. Remember to summarize the material in your own words. You do not need to provide citations.
Here are some examples of questions you could address:

1) How can knowledge of momentum be used for more efficient movement of objects?

2) How can electromagnetic radiation be used for imaging techniques?

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