physics

Georg Adolf Erman

Georg Adolf Erman is a physics 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 Georg Adolf Erman rather than just read about it. In short: Georg Adolf Erman (12 May 1806 – 12 July 1877) was a German physicist. Erman was born in Berlin as the son of Paul Erman.

Key takeaways

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

Reference excerpt

Georg Adolf Erman (12 May 1806 – 12 July 1877) was a German physicist. Erman was born in Berlin as the son of Paul Erman. He studied natural science at the universities of Berlin and Königsberg, spent from 1828 to 1830 in a journey round the world, an account of which he published in Reise um die Erde durch Nordasien und die beiden Ozeane (1833–1848). The magnetic observations he made during his travels were utilized by Carl Friedrich Gauss in his theory of terrestrial magnetism. He was appointed professor of physics at Berlin in 1839, and died there in 1877. From 1841 to 1865 he edited the Archiv für wissenschaftliche Kunde von Russland, and in 1874 he published, with H. J. R. Petersen, Die Grundlagen der Gauss'schen Theorie und die Erscheinungen des Erdmagnetismus im Jahre 1829. Erman married, Marie Bessel, daughter of Friedrich Bessel, and they were the parents of Johann Peter Adolf Erman.

References

This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Erman, Paul s.v. Georg Adolf Erman". Encyclopædia Britannica. Vol. 9 (11th ed.). Cambridge University Press. p. 749.

Illustrations

Worked examples

Example 1 — a first encounter with Georg Adolf Erman

Start with the simplest possible case. Write down what Georg Adolf Erman claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, 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 Georg Adolf Erman 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 Georg Adolf Erman 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 Georg Adolf Erman

In research: Georg Adolf Erman appears in physics 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 Georg Adolf Erman 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: Georg Adolf Erman is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1806 births, 1877 deaths, 19th-century German physicists, so understanding it makes those chapters shorter.
In everyday life: Look for Georg Adolf Erman 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 Georg Adolf Erman in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Georg Adolf Erman 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.
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Frequently asked questions

What is Georg Adolf Erman in simple terms?

Georg Adolf Erman (12 May 1806 – 12 July 1877) was a German physicist. Erman was born in Berlin as the son of Paul Erman.

Why does Georg Adolf Erman matter?

Because it connects several physics 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 Georg Adolf Erman?

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 Georg Adolf Erman.