Question

when a potential difference of 2 volt is applied across the end of a wire of length a current of 1 ampere is found to be flow through calculate resistance per unit length of wire the resistance of the wire if it is doubled on itself​

Answer 1

Answer:

. Resistance//unit length<br> (ii) Resistance oflength of the wire<br> (iii) When the wire is doubled on itself, it will be equivalent to two resistances (each of value) parallel to each other. The resultant resistance across the ends of this folded wire