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In the presence of an applied electric f...

In the presence of an applied electric field `(vecE)` in a metallic conductor. 

A

The electrons move in the direction of `vecE`

B

The electrons move in a direction opposite to `vecE`

C

The electrons may move in any direction randomly, but slowly drift in the direction of `vecE`

D

The electrons move randomly but slowly drift in a direction opposite to`vecE`.

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - IA
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  2. The drift velocity of electrons in a conducting wire is of the order o...

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  3. In the presence of an applied electric field (vecE) in a metallic cond...

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  4. The paths of electrons between successive collisions (with the positiv...

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  5. Mobility of free electrons in a conductor is

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  6. The mobility of free electrons (charge e, mass m and relaxation time t...

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  7. Ohm's law is applicable to

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  8. Ohm's law is not applicable for

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  9. The electric intensity E, current density j and conductivity sigma are...

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  10. The formula V =IR is applicable to

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  11. Which of the following wiring diagrams could be used to experimentally...

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  12. The resistance of a conductor is

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  13. On increasing the temperature of a conductor, its resistance increases...

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  14. With the increase of temperature, the ratio of conductivity to resisti...

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  15. The temperature coefficient of resistance of conductors is

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  16. The best material for making resistances in resistance box

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  17. The product of resistivity and conductivity of a cylindrical conductor...

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  18. Wires of Nichrome and Copper of equal dimensions are connected in seri...

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  19. Resistivity of a conductor depends upon

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  20. With the increase of temperature, the specific resistance of metal

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