what is switchgear in electrical engineering
In electrical engineering, **switchgear** refers to a **combination of electrical devices** designed to control, protect, and isolate electrical circuits and equipme...
Use a multimeter to measure the condition of a heating tube
YouTube：https://youtube.com/shorts/LHSaHDNbrMgMultimeters are divided into analog multimeters and digital multimeters. The following are the methods for using these two t...
