Question

there is a uniform wire of resistance R. A person cuts into three equal pieces and joins them in parallel find whether the resistance of the combination is more or less than the resistance of the original wire.

Answer 1

The resistance of wire when joined in parrallel combination will be less.

The resistance of the individual wire will be more

Answer 2

If the wire is joined parallely then we will find that the area of cross section of the

combination increases
We know that
R is inversly proportional to A
Hence resistance decreases