The electromagnetic coils on the neck of the picture tube or tubes which pull the electron beam from side to side and up and down are called a...?

Option B

The electromagnetic coils on the neck of the picture tube or tubes which pull the electron beam from side to side and up and down are called a yoke.

In a CRT television, the electron beam is moved in a raster scan on the screen. By adjusting the strength of the beam current, the brightness of the light produced by the phosphor on the screen can be varied. The cathode ray tube allowed the development of all-electronic television. Twisting the yoke will tilt the picture. A projection color television uses three picture tubes and yokes for red, green and blue light.

Electromagnetic deflection yokes are also used in certain radar displays.