SaraNextGen Study App [2023-24]
Last Updated On 01-06-2023 - By Jeesha Sara

A uniform copper wire of length 1 m and cross-section area  carries a current of 1 A. Assuming that there are  free electron in copper, how long will an electron take to drift from one end of the wire to the other?

a)

b)

c)

d)


Question ID - 150244 :-

A uniform copper wire of length 1 m and cross-section area  carries a current of 1 A. Assuming that there are  free electron in copper, how long will an electron take to drift from one end of the wire to the other?

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (d) -

(d)

Current in wire

Here,

Now,



Next Question :

A voltmeter has a resistance of G ohm and range V volt. The value of resistance used in series to convert it into a voltmeter of range  volt is

a)

b)

c)

d)


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