Talk to him and change supplies. If you have or wearing the armor in your apparel just swap it over to his box as you would with ammo/guns etc and he wears it automaticly.
If you have or find a dead Brotherhood of steel Power armor he can wear it even if you cant yet. This will make him near indestructible.
Jericho is in megaton and u need bad karma to get him
Jericho can be found in Megaton inside his house or walking around the town.
You would need to have the PC version of Fallout 3 and download a mod.
No,
no there might be on add on content
You cant
the tesla armor helps you resist radiation and it makes you better with energy weapons
no
the prototype T-51b power armor in Fallout 3 is designed just like normal T-45d power armor but it does not sacrifice agility for armor rating and rad resistance.
you will find loads of ammo and a medical power armor
once you have power armour traning you can wear enclave armour.
no Jericho will stay with you no matter what your kama is