A metal wire of resistance 8Ω is stretched so that its length is increased to twice its original length. Calculate its new resistance.

The answer is a i think

Answertechnician (a) is correct;

Hellosubatomic particles  are  particles  that are smaller than the atom. protons, neutrons, and electrons are the three mainsubatomic particles  found in an atom. protons have a positive (+)  charge. an easy way to remember this is to remember that both neutron and no  electrical charge  start with the letter "n."have a nice day