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Electricity: Circuits and their Components — Flashcards

CBSE · Class 7 · Science

72 flashcards for Electricity: Circuits and their Components (CBSE Class 7 Science) to test yourself on key terms and facts.

44 questions72 flashcards5 concepts

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72 Flashcards·
Electric cellविद्युत सेलBatteryबैटरी
Card 1Electric cell

What is an electric cell?

Answer

An electric cell is a portable source of electrical energy. It has two terminals: a positive terminal with a metal cap and a negative terminal with a flat metal disc.

Card 2विद्युत सेल

विद्युत सेल क्या होता है?

Answer

विद्युत सेल (electric cell) विद्युत ऊर्जा का एक सुवाह्य स्रोत है। इसमें दो टर्मिनल होते हैं: एक धनात्मक टर्मिनल जिस पर धातु की टोपी लगी होती है और एक ऋणात्मक टर्मिनल जिस पर धातु की चपटी डिस्क लगी होती…

Card 3Electric cell

What are the two terminals of an electric cell?

Answer

The positive terminal is the metal cap, and the negative terminal is the metal disc. These terminals help connect the cell correctly in a circuit.

Card 4विद्युत सेल

विद्युत सेल के दो टर्मिनल क्या हैं?

Answer

धनात्मक सिरा धातु की टोपी है, ऋणात्मक सिरा धातु की डिस्क है। ये सिरा किसी परिपथ में सेल को सही ढंग से जोड़ने में मदद करते हैं।…

Card 5Battery

How is a battery made from cells?

Answer

A battery is a combination of two or more electric cells. The positive terminal of one cell connects to the negative terminal of the next cell.

Card 6बैटरी

कोशिकाओं से बैटरी कैसे बनाई जाती है?

Answer

बैटरी दो या दो से अधिक विद्युत कोष्ठों का संयोजन होती है। एक कोष्ठ का धनात्मक सिरा अगले कोष्ठ के ऋणात्मक सिरे से जुड़ता है।…

Card 7Battery

Why are more than one cell used in some devices?

Answer

Connecting more than one cell provides energy to the circuit for a longer time and/or more energy. This helps devices work better for longer.

Card 8बैटरी

कुछ उपकरणों में एक से अधिक सेल का उपयोग क्यों किया जाता है?

Answer

एक से अधिक सेल को जोड़ने से सर्किट को अधिक समय तक और/या अधिक ऊर्जा मिलती है। इससे उपकरणों को लंबे समय तक बेहतर ढंग से काम करने में मदद मिलती है।…

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Frequently Asked Questions

What are the important topics in Electricity: Circuits and their Components for CBSE Class 7 Science?
Key topics in Electricity: Circuits and their Components include Electric Cell and Battery, Electric Lamps: Incandescent Lamp and LED, Electrical Circuit and Switch, Circuit Diagrams and Symbols. Study these first, then practise questions on each for Class 7 exams.
How many flashcards are available for Electricity: Circuits and their Components?
There are 72 flashcards for Electricity: Circuits and their Components covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Electricity: Circuits and their Components for Class 7 exams?
Learn the core ideas first, then work through the 44 practice questions on Electricity: Circuits and their Components. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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