What is the plural of tv?
The plural form of tv is televisions. Because tv is the abbreviation of tv, but TV itself has no plural form, so the plural should be TV.

Explanation:

Television, television; Television industry

Phrases:

Digital TV? Digital TV; Digital TV; Digital TV; digital television

Cable TV? Cable TV; Cable TV system; Cable TV system

A TV program? Television programs; Television broadcast program

Usage:

When interpreted as "TV", TV is used as an uncountable noun; As a solution to "TV", it is often used with set as a countable noun; It can also mean "TV program" and be used as an uncountable noun; It can also mean "TV station, TV industry" and be used as an uncountable noun.

Example:

The total number of TV viewers reached 30 million. The total number of TV viewers reached 30 million.