The transformer that develops the high voltage in a home television is commonly called as?

The correct answer is B. Flyback transformer.

A flyback transformer is a type of transformer that is used to generate a high voltage pulse. It is commonly used in televisions to create the high voltage that is needed to accelerate the electron beam in the cathode ray tube.

A Tesla coil is a type of transformer that is used to generate high-frequency alternating current. It is not commonly used in televisions.

A yoke is a metal frame that is used to hold the components of a television together. It is not a transformer.

A Van de Graaf generator is a type of electrostatic generator that is used to create high voltage. It is not commonly used in televisions.