1. what are the characteristics of a common-emitter amplifier?

Question

2. Describe the active and cut off region for the common-emitter configuration.

3.How many degrees out of phase does the output voltage in reference with the input voltage of a common-emitter amplifier?

Answer 1

http://www.sonoma.edu/users/m/marivani/e... Please refer to this. You may get help

Answer 2

You should read your textbook, by the way google helps to.

As a starter your output is 180 degrees out of phase from the input.