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State the SI unit of electric current an...

State the SI unit of electric current and define it.

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An ampere (A) which is defined as the rate of flow of 1 coulomb of charge per second.
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U-LIKE SERIES-ELECTRICITY -VERY SHORT ANSWER QUESTIONS
  1. Identify the following symbols of commonly used components in a circui...

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  2. Define electric current?

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  3. State the SI unit of electric current and define it.

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  4. In an electric circuit state the relationship between the direction of...

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  5. Define potential difference between two points in a conductor.

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  6. What is meant by the statement " potential difference between points A...

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  7. When do we say that the potential difference between two points of a c...

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  8. What is the name of physical quantity which is equal to V/I?

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  9. Define resistance. Give its SI unit?

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  10. When do you say that the resistance of a wire is 1 Omega?

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  11. The potential difference across the terminals of a cell is 1.5 volt.It...

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  12. State ohm's law

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  13. The following table gives the value of electrical resistivity of some ...

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  14. What is meant by electric resistance of a conductor?

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  15. What is the shape of V-I graph for a metallic wire? Why?

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  16. The resistance of a resistor is kept constant and the potential differ...

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  17. Keeping the potential difference constant, the resistance of an electr...

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  18. The length of a wire is doubled and its cross sectional area is also d...

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  19. What is electrical resistivity? What is SI unit?

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  20. On what factors does the resistance of a conductor depend?

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