science

Société française radio-électrique

Société française radio-électrique is a science 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 Société française radio-électrique rather than just read about it. In short: The Société française radio-électrique (SFR, Radiolectric French Company) was one of the first radiotelegraphic companies, founded by Émile Girardeau in 1910. It supported the conception and the production of the Radiola radio receivers, and the creation of the radio station of the same name.

Key takeaways

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

Reference excerpt

The Société française radio-électrique (SFR, Radiolectric French Company) was one of the first radiotelegraphic companies, founded by Émile Girardeau in 1910. It supported the conception and the production of the Radiola radio receivers, and the creation of the radio station of the same name. It disappeared in 1957 after merging with Compagnie Générale de Télégraphie Sans Fil, later merged into Thomson-CSF.

References

Worked examples

Example 1 — a first encounter with Société française radio-électrique

Start with the simplest possible case. Write down what Société française radio-électrique claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Société française radio-électrique 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 Société française radio-électrique 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 Société française radio-électrique

In research: Société française radio-électrique appears in science 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 Société française radio-électrique 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: Société française radio-électrique is common in secondary-school and first-year university syllabi. It links to neighbouring topics Audio equipment manufacturers of France, French companies established in 1910, History of telecommunications in France, so understanding it makes those chapters shorter.
In everyday life: Look for Société française radio-électrique 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 Société française radio-électrique in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Société française radio-électrique 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 Société française radio-électrique out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Société française radio-électrique in simple terms?

Why does Société française radio-électrique matter?

Because it connects several science 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 Société française radio-électrique?

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 Société française radio-électrique.