Question

aa layer of plastic covers electric wiring . do you know the reason why? i) electric wiring look good ii) electricity flows easily asking the wire iii) it make it safe iv) none of them​​

Answer 1

Answer:

iii) it make it safe....if it will be covered with plastic ...the person who will touch the wire will not get electric shock..as plastic is an insulater and donot let current to pass through them....