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Current l versus time t graph through a...

Current l versus time t graph through a conductor is shown in the figure. Average current through the conductor in the interval 0 to 15 s is

A

1A

B

10A

C

7.5A

D

`5A`

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AAKASH INSTITUTE-CURRENT ELECTRICITY-ASSIGNMENT(SECTION-A(OBJECTIVE TYPE QUESTIONS))
  1. Charge Q passing through a cross-section of conductor at an instant i...

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  2. S.I. unit of current is :-

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  3. Current l versus time t graph through a conductor is shown in the fig...

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  4. Which of the following is // are correct about electric current ?

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  5. The average velocity of electrons in a conductor in the absence of ele...

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  6. Thermal speed v of free electrons in a conductor at absolute temperaur...

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  7. When a circuit is switched on, current flows through the circuit with...

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  8. The conducting medium in which flow of positive ions and negative ion...

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  9. If V is the potential difference between the ends of conductor and l i...

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  10. The resistance of a conductor depends on its

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  11. If the length of a conductor is increased by 100% keeping its area of...

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  12. If the radius of cross-section of the conductor is increased by 0.1 % ...

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  13. Which of the following is a non metallic conductor

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  14. If vec(j) and vec(E ) are current density and electric field respectiv...

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  15. Current density vec(j ) at an area vec( A) = ( 2 hat(i ) + 3 hat(j)...

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  16. Which of the following represents the ohm's law ?

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  17. The ratio of magnitude of current density and magnitude of electric fi...

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  18. Conductivity of a conductor of length L and radius of cross-section r ...

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  19. Resistance of the conductor of length 5m and area of cross -section 4...

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  20. When electric field is applied inside a conductor then free electron ...

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