Avocados are high in fat. But it's monounsaturated fat, which is a good fat that helps lower bad cholesterol, as long as you eat them in moderation. Avocados have a lot of calories. The recommended serving size is smaller than youâd expect: 1/5 of a medium avocado (or 1 ounce) is 50 calories.
Why do transformers hum? Transformer noise is caused by a phenomenon which causes a piece of magnetic sheet steel to extend itself when magnetized. When the magnetization is taken away, it goes back to its original condition. This phenomenon is scientifically referred to as magnetostriction.
If youâve tracked the buzzing sound to lights that are set on dimmers, this is likely the cause of the problem. Try switching your light bulbs to rough service bulbs, which are sturdier and vibrate less. 2. Mains hum. If you get the electrical hum from electrical wiring or equipment, this can be known as mains hum. This is normal, and usually occurs from the vibration of these appliances with motors switching on and off. Sometimes audio equipment can create and amplify a mains hum. 3. Wiring