# Definition of periodic signal

**Q23. A periodic signal **

**Option: **

May be represented by g(t)= g(t + T_{0})

Value may be determined at any point

Repeats itself at regular intervals

All of the above

**Explanation:**

A periodic function repeats its values in regular intervals or periods. A periodic signal g(t) is a function of time that satisfies the equation

g(t)= g(t + T_{0}) for all the values of t.

t is time

T_{0} is a constant that denotes the complete cycle of g(t).

The signals that do not satisfy the equation are known as non periodic or aperiodic signals.