Question

IC 7805 and IC 7905 must always be used together. state true or false, also give a reason of your answer .

Answer 1

We know IC 7805 is positive voltage regulator and IC 7905 is negative voltage regulator. So , if we required to regulate the voltage between positive and negative value then IC 7805 and 7905 must used in together.

Answer: So, the statement is true.