An electric current is flowing through a wire. If in this situation the wire is stretched to increase its length then the flow of current through the wire
(a) will increase
(b) will decrease
(c) will at first increase and then decrease
(d) will not depend upon the increase in the length of the wire
WBBSE
Class X
Physical Science
Current Electricity
1 Marks
2024
(b) will decrease
Explanation
When the wire is stretched, its length increases and its area of cross-section decreases.
As a result, its resistance increases.
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