Which component of the APU is responsible for generating electrical power?

The component responsible for generating electrical power in the Auxiliary Power Unit (APU) is the APU generator. The APU operates by utilizing a gas turbine engine that drives the generator to produce electrical energy. This electrical power is essential for starting the main engines, operating aircraft systems while on the ground, and providing backup power when needed.

The turbine may contribute to the overall function of the APU by providing the necessary mechanical energy to turn the generator, but it does not create electrical power independently. The fuel pump supplies fuel to the APU, which is critical for its operation, but it does not generate power itself. The control panel is a user interface that allows operators to monitor and control the APU's operation, but it also does not have any role in power generation.

Thus, the APU generator is correctly identified as the component that directly creates electrical power, making it the right answer to the question.