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10^(23) electrons passed from left to ri...

`10^(23)` electrons passed from left to rigth normally through a cross section in 1s. Average current through the cross section is

A

`1.6 xx 10^(4) A`

B

`1.6 xx 10^(3) A`

C

`1.6 xx 10^(2) A`

D

` 10^(23) A`

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The correct Answer is:
A
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AAKASH INSTITUTE-CURRENT ELECTRICITY-ASSIGNMENT(SECTION-A(OBJECTIVE TYPE QUESTIONS))
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  2. Charge Q passing through a cross-section of conductor at an instant i...

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

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

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

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

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  11. The resistance of a conductor depends on its

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

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

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  14. Which of the following is a non metallic conductor

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

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

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

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

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