The graph for a wire of copper of length
and cross-section ares
is shown in adjoining figure. The slope of the graph will be
a) |
Less if the experiment is repeated at a higher temperature |
b) |
More if a wire of silver having the same dimension is used |
c) |
Doubled if the length of the wire is doubled |
d) |
Halved if length of the wire is halved |
The graph for a wire of copper of length
and cross-section ares
is shown in adjoining figure. The slope of the graph will be
a) |
Less if the experiment is repeated at a higher temperature |
b) |
More if a wire of silver having the same dimension is used |
c) |
Doubled if the length of the wire is doubled |
d) |
Halved if length of the wire is halved |
(c) On doubling the length of wire its resistance is doubled and slope of |
The heat generated through |
|||
a) |
|
b) |
|
c) |
|
d) |
|
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