What is operation of generators

i have no clue what this outcome is. so maybe give me some hints or something.

or r they saying the steps in how generator works?

dude...r u..nuts???

Just two sentence....shud i read ur mind to answer.......write down all ur confusions.......ac generator works under the principle of conversion of mechanical energy to electrical
We keep the armature in the mag field....then externally,the axis is rotated....this disturbs the flux of mag field....w.i.z y u get induced emf through the slip rings........

Next time u ask something ....ask clearly