Below you can find the A.m. is short for amplitude modulation while amp is short for this unit of electricity Jeopardy Words Answer. The answer to A.m. is short for amplitude modulation while amp is short for this unit of electricity has 6 letters. This clue belongs to the Technology category and is part of Jeopardy Word Level 993. If you scroll near the bottom you will find other clues and answers part of level 993