How do you say "lightbulb" in Hebrew?

Honestly, I didn't know anyone wrote these. I don't get all of them, but they are for my friends who are at these places. Maybe that's why I don't get them all. And can anyone think of a Ma'aleh Gilboa one?

How many yeshiva boys does it take to change a light bulb? Well, that depends on who you go by: According to Rabbi Yochanan, it takes one. But accordng to Rabbi Elazar, it takes ten.

How many HaKotel guys does it take to change a lightbulb? One....To call the front desk.

How many Mevaseret guys does it take to change a lightbulb? That question wasnt on the SAT's!

How many Brovenders girls does it take to change a lightbulb? Two....b'chavruta!

How many Brovenders' girls does it take to change a light bulb? That's irrelevant; we can still do it better than the boys can.

How many Gush guys does it take to change a lightbulb? One to ask the rosh yeshiva how and one to write an 80 page halachic dissertation on changing lightbulbs in the 20th century and what Thomas Edison and the Rugitchover had in common.

How many Gush guys does it take to change a lightbulb? The Rambam doesn't hold of lightbulbs.

How man Reishit guys does it take to change a lightbulb? Why should we change it? It was Neve's fault.

How many Reishit guys does it take to change a lightbulb? Let's go find a website on lightbulbs.

How many MMY girls does it take to change a lightbulb? Who has time to learn such narishkeit?

How many MMY girls does it take to change a light bulb? Two. One to change it and one to phone Daddy for instructions.

How many KBY guys does it take to change a lightbulb? Three. One to stand guard while the other two unscrew it from a shana alef Israeli's room.