What tools and scale are utilized to test AC output voltage?

The correct choice involves using an oscilloscope and an AC scale for testing AC output voltage. An oscilloscope allows technicians to visualize the waveform of the AC signal, providing insights into its shape, frequency, and amplitude. This is crucial for diagnosing issues and ensuring that the signal is operating correctly.

The oscilloscope can display detailed information about the voltage over time, helping to identify problems such as distortion or noise in the signal. Additionally, using an AC scale ensures that the measurement is appropriately calibrated for alternating current, as opposed to direct current. By setting the oscilloscope to the AC scale, it filters out any DC component of the signal, giving a clear understanding of the AC characteristics.

This method is preferred in many diagnostic situations due to its precision and ability to display real-time changes in the signal. This tool combination effectively meets the requirements for evaluating AC output voltage in various applications, making it a superior choice for technicians needing accurate and comprehensive measurements.