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The drift velocity of the electrons in a copper wire of length 2 m under the application of a potential difference of 220 V is 0.5 . Their mobility ( )

a)

b)

c)

d)

Question ID - 150457 :-

The drift velocity of the electrons in a copper wire of length 2 m under the application of a potential difference of 220 V is 0.5 . Their mobility ( )

a)

b)

c)

d)

1 Answer
5876 Votes
3537
Answer Key : (d) -

(d)

Drift velocity=mobility× intensity of electric field

or


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The inversion temperature of a copper-iron thermocouple is  when the cold junction temperature is  If the cold junction temperature is increased by  then the inversion temperature and neutral temperature of the thermocouple respectively are

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