Question

definition of directly proportional​

Answer 1

Answer:

$\huge\underline\pink{\tt Hey\:Mate}$

Directly proportional means if one substance is directly proportion other substance that means one substance if increase temperature then other systems also increase temperature and if one substance temperature decrease then other system also decrease in temperature.

Hope this will help uh!!

Answer 2

directly proportional means the substance reacts same like another.i,e., directly proportional to the the length of conductor

I hope this helps u