Physics EMT University Of Okara

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| By Zafariqbalsst1
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Zafariqbalsst1
Community Contributor
Quizzes Created: 1 | Total Attempts: 39
| Attempts: 39
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  • 1/8 Questions

    Unit of electric charge is

    • Coulumb
    • Joule
    • Newton
    • Option 4
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About This Quiz

This quiz from the University of Okara focuses on fundamental concepts of electromagnetism, including electric fields, charge, and electric intensity.

Physics EMT University Of Okara - Quiz

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  • 2. 

    Electric field due to positive charge is 

    • Inward

    • Outward

    • Both 1and 2

    • None of these

    Correct Answer
    A. Outward
    Explanation
    The electric field due to a positive charge is outward because positive charges repel each other. This means that if we place a positive test charge near the positive charge, it will experience a repulsive force and move away from the charge. The direction of the electric field is defined as the direction in which a positive test charge would move. Therefore, the electric field due to a positive charge points outward.

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  • 3. 

    Electric field due to negative charge is

    • Inward

    • Outward

    • Both 1and 2

    • None of these

    Correct Answer
    A. Inward
    Explanation
    The electric field due to a negative charge is inward because negative charges repel each other. Therefore, the electric field lines originate from the negative charge and point towards it, indicating an inward direction.

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  • 4. 

    Electric intensity is a quantity?

    • Vector

    • Scalar

    • Both 1and 2

    • None of these

    Correct Answer
    A. Vector
    Explanation
    Electric intensity is a vector quantity because it has both magnitude and direction. It describes the strength and direction of the electric field at a given point in space. The magnitude of the electric intensity represents the strength of the electric field, while the direction indicates the direction in which a positive test charge would move if placed at that point. Therefore, electric intensity is a vector quantity.

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  • 5. 

    Electric charge density due to a line of charge is

    • Linear charge dendity

    • Surface charge Density

    • Volume charge density

    • All of above

    Correct Answer
    A. Linear charge dendity
    Explanation
    The correct answer is Linear charge density. Linear charge density refers to the amount of charge per unit length along a line of charge. It is a measure of how much charge is distributed along a one-dimensional line. Surface charge density refers to the amount of charge per unit area on a two-dimensional surface, while volume charge density refers to the amount of charge per unit volume in a three-dimensional space. Therefore, the correct answer is linear charge density.

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  • 6. 

    Write a short note on eletric field.

  • 7. 

    Write two characteristics of field lines.

  • 8. 

    Long Q:- Derive the expression for electric field due to ring of charge. 

  • 9. 

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  • 10. 

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  • 11. 

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Quiz Review Timeline (Updated): Mar 21, 2023 +

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 26, 2020
    Quiz Created by
    Zafariqbalsst1
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