The current in a copper wire is increased by increasing the potential difference between its end. Which one of the following statements regarding n, the number of charge carriers per unit volume in the wire and v the drift velocity of the charge carriers is correct -A. n is unaltered but v is decreasedB. n is unaltered but v is increasedC. n is increased but v is decreasedD. n is increased but v is unaltered

The current in a copper wire is increased by increasing the potential

1.	The current in a copper wire is increased by increasing the potential difference between its end. Which one of the following statements regarding n, the number of charge carriers per unit volume in the wire and v the drift velocity of the charge carriers is correct -A. n is unaltered but v is decreasedB. n is unaltered but v is increasedC. n is increased but v is decreasedD. n is increased but v is unaltered
Answer» Correct Answer - B

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