Question

Vhich of the following can be done to melt the copper wire?
Copper wire
Battery
(a) Decrease the voltage of the wire
(c) Decrease the current flow
(b) Reverse the terminals of the battery
(d) Increase the resistance of the wire​

Answer 1

Answer:

d increasing the resistance as length can melt it if the current flow evenly

Answer 2

Answer:

Increase the resistance of the wire.

Explanation:

If we do so then the wire would obstruct more current than earlier.So, It would start to get hot which would cause it to melt.