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The paths of electrons between successiv...

The paths of electrons between successive collisions (with the positive ions of the metal) in the absence of electric field are .........and in the presence of electric field the paths are..... 

A

straight lines, curved.

B

curved, straight lines.

C

straight lines, straight lines.

D

curved, curved.

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

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

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

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  4. Mobility of free electrons in a conductor is

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

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  6. Ohm's law is applicable to

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  7. Ohm's law is not applicable for

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

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  9. The formula V =IR is applicable to

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

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  11. The resistance of a conductor is

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

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

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  14. The temperature coefficient of resistance of conductors is

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  15. The best material for making resistances in resistance box

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

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

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  18. Resistivity of a conductor depends upon

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

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  20. At absolute zero silver wire behaves as

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