A potential difference  is applied to a copper wire of length and thickness . If  is doubled, the drift velocity
a)	Is doubled	b)	Is halved	c)	Remains same	d)	Becomes zero

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A potential difference  is applied to a copper wire of length and thickness . If  is doubled, the drift velocity
a)	Is doubled	b)	Is halved	c)	Remains same	d)	Becomes zero