SECTION - A
state the change in the ammeter reading observed when a resistance
in a circuit is replaced by a wire of same material and same lenght
comparatively double cross-sectional area keeping the source of potential
difference constant.
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Answer:
The ammeter will show reading double the previous one.... Thus the resistance of the new wire is half less than the previous wire. ... Thus the ammeter reading will show double the increase in current when the new wire is placed.
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