The noise produced by a transformer is termed as

The correct answer is hum.

Hum is a low-pitched, continuous sound that is often produced by transformers. It can be caused by a number of factors, including the design of the transformer, the quality of the materials used, and the environment in which the transformer is installed.

Hum can be annoying and can interfere with the use of electronic equipment. In some cases, it can also be a sign of a problem with the transformer. If you are experiencing hum from a transformer, it is important to have it checked by a qualified technician.

The other options are incorrect because they do not accurately describe the noise produced by a transformer.

• Zoom is a high-pitched, continuous sound that is often produced by electronic equipment.
• Ringing is a high-pitched, intermittent sound that is often produced by telephones and other electronic devices.
• Buzz is a low-pitched, intermittent sound that is often produced by motors and other mechanical devices.