engineering

John Price Jackson

John Price Jackson is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand John Price Jackson rather than just read about it. In short: John Price Jackson (27 September 1868, in Kennett Square – 2 April 1948) was an American electrical engineer and academic, civil servant and soldier. John was born into a quaker family in Kennett Square, Pennsylvania.

Key takeaways

John Price Jackson belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect John Price Jackson to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of John Price Jackson from memory before moving on to harder problems.

Reference excerpt

John Price Jackson (27 September 1868, in Kennett Square – 2 April 1948) was an American electrical engineer and academic, civil servant and soldier. John was born into a quaker family in Kennett Square, Pennsylvania. His parents were Josiah and Mary Price Jackson. His elder brother, Dugald C. Jackson, co-wrote some books with him and also had a career as an electrical engineer and academic. When the Pennsylvania Department of Labor and Industry was founded by Governor John Kinley Tener, Jackson was appointed as the first Commissioner. He was subsequently confirmed in post by Governor Martin Grove Brumbaugh on 2 June 1917, but took a leave of absence from state office when he accepted a Commission in the US Army following the United States entry into the First World War. Jackson served under Brigadier General Charles Gates Dawes in the office of the Chief Purchasing Agent for the American Expeditionary Forces (AEF). Dawes appointed him in February 1918 to head a labor bureau to coordinate hiring of civilian labor to support the AEF's logistical system in Europe.

Works 1896 Alternating Currents and Alternating Current Machinery (with Dugald C. Jackson) New York: Macmillan Co. 1902 An Elementary Book on Electricity and Magnetism (with Dugald C. Jackson) New York: Macmillan Co. 1915 "Some Industrial Lessons of the European War", The Annals of the American Academy of Political and Social Science Volume: 61 issue: 1, page(s): 45–50, September 1915

References

Worked examples

Example 1 — a first encounter with John Price Jackson

Start with the simplest possible case. Write down what John Price Jackson claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to John Price Jackson before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about John Price Jackson ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of John Price Jackson

In research: John Price Jackson appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses John Price Jackson in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: John Price Jackson is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1868 births, 1948 deaths, Electrical engineers, so understanding it makes those chapters shorter.
In everyday life: Look for John Price Jackson outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study John Price Jackson in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what John Price Jackson means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain John Price Jackson out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is John Price Jackson in simple terms?

Why does John Price Jackson matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study John Price Jackson?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on John Price Jackson.