page contents Verification: 3e521cb8638cc050

DC Relays :

Introduction: A relay is a device that is used for controlling high voltage and current from low voltage. Electrical relays and contractors use a low-level control signal to switch a…

How To Use A Digital Multimeter

Digital Multimeter (DMM).  A multimeter is a device that is used for measuring different parameters of electrical energy. Such as voltage, current, resistance, continuity and much more. The multimeter has…