Class 10 Science 12. Electricity Unit Test Papers
Unit test papers play a crucial role in helping students evaluate their understanding of different subjects and chapters. These tests are designed to check conceptual clarity and improve problem-solving skills before the final examinations. By practicing unit test papers regularly, students can identify their weak areas and work on them effectively.
On this page, you will find a collection of unit test papers for various classes and subjects, including important questions, sample papers, and practice tests. These papers are prepared according to the latest exam patterns, making them highly useful for school exams as well as competitive preparation.
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Regular practice with unit test papers not only boosts confidence but also improves time management and accuracy. Students can use these resources to revise key concepts, enhance their performance, and achieve better results in their exams.
Benefits of Practicing Unit Test Papers
Practicing unit test papers regularly helps students strengthen their understanding of important topics and improve their exam performance. It allows them to get familiar with the question pattern, marking scheme, and time management. By solving these papers, students can analyze their mistakes and work on improving accuracy and speed.
Class 10 Science 12. Electricity Unit Test Papers
Unit Test Class
Science-10
12. Electricity
Unit test - I
ATP Unit Test
( Science - X )
Chap - 12 Electricity
Timing: 1hour Maximum Marks: 20
Q1. What is resistivity ? Write its S.I unit.
प्रतिरोधकता क्या है ? इसका S.I मात्रक लिखिए |
Q2. Name the device which maintains the potential difference across a conductor.
एक युक्ति का नाम बताइए जो चालक में विभवान्तर बनाये रखता है |
Q3. Why does the cord of an electric heater not glow while the heating element
does?
किसी विद्युत हीटर की डोरी क्यों उतप्त नहीं होती जबकि उसका तपन अवयव उतप्त हो जाता है ?
Q4. Why is the tungsten used almost exclusively for filament of electric lamps?
विद्युत लैंप के तंतु टंग्स्टेन के ही क्यों बनाये जाते है ?
Q5. Write two benefits to connect appliances in parallel arrangement in domestic circuits.
घरेलु परिपथ में उपकरण को पार्श्व क्रम के संयोजित करने के दो फायदे लिखिए |
Q6. Write the law of Ohm.
ओम का नियम लिखिए |
Q7. Give answers;
(i) Define potential difference.
(ii) Name the device which measures potential difference.
(iii) Give the Formulla to find potential difference.
उत्तर दीजिये
(i) विभवान्तर को परिभाषित कीजिये |
(iii) विभवान्तर मापने वाले यन्त्र का नाम बताइए |
(iv) विभवान्तर ज्ञात करने के लिए सूत्र लिखिए |
Q8. Define electric power? An electric motor takes 5 A from a 220 V line. Determine the power of the motor and the energy consumed in 2 h.
विद्युत शक्ति को परिभाषित कीजिये ? एक विद्युत मोटर 220 वोल्ट के लाइन से 5 A लेता है | मोटर की शक्ति परिकलित कीजिये और बताइए कि यह 2 घंटों में कितना ऊर्जा खर्च करेगा?
Q9. Write the factors which affects the electric current through a conductor.
एक चालक में प्रवाहित होने वाले विद्युत धारा को प्रभावित करने वाले कारकों को लोखिये |
Q10. An electric heater of resistance 8 Ω draws 15 A from the service mains 2 hours. Calculate the rate at which heat is developed in the heater.
8 ओम प्रतिरोध का कोई विद्युत हीटर विद्युत मेंस से 2 घंटे तक 15 A विद्युत धारा लेता है | हीटर में उत्पन ऊष्मा की दर परिकलित कीजिये |
Class 10 Science Chapters Unit Test Papers
Unit Test Papers
Class 10
How to Use Unit Test Papers Effectively
To get the best results, students should attempt unit test papers in a timed environment and treat them like real exams. After completing each test, it is important to review the answers carefully and understand the mistakes. Consistent practice and proper analysis will help students build confidence and achieve better results in their academic journey.
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Frequently Asked Questions (FAQs)
What are unit test papers?
Unit test papers are short tests designed to check a student’s understanding of specific chapters or topics before final exams.
Why are unit test papers important?
They help students practice important questions, improve performance, and prepare effectively for school exams.
Where can I download unit test papers?
You can download unit test papers from educational websites that provide class-wise and subject-wise practice papers.
Do unit test papers include answers?
Yes, many unit test papers come with answers or solutions to help students understand the correct approach.
Are unit test papers useful for board exam preparation?
Yes, they are very useful as they cover important concepts and frequently asked questions.