HOTS VII — task. Science CBSE, Class 10.

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1. The potential gradient along the length of a uniform wire is

$10\ volt\ per\ metre$ .

$B$ and

$C$ are two points at

$30\ cm$ and

$60\ cm$ on a metre scale along the wire. The potential difference between

$B$ and

$C$ will be

$3\ volt$
$0.4\ volt$
$7\ volt$
$4\ volt$

2. Electrical resistivity of a given metallic wire depends upon

Its length
Its thickness
Its shape
Nature of the material

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