Microwave ovens do not typically contain copper elements in their cooking chambers or components that directly interact with the microwaves. The interior of a microwave oven is usually made of metal, often steel, which helps to reflect and contain the microwaves within the cooking chamber.
However, it's worth noting that some microwave ovens may have copper wiring or components in the electrical circuitry that powers the appliance. Copper is commonly used in electrical wiring due to its excellent conductivity properties. These copper components, such as wires, connectors, or coils, are generally located outside the cooking chamber and are not directly exposed to the microwaves.
When it comes to using a microwave, it's important to avoid placing any metal objects inside the cooking chamber, including copper or copper-coated items. Metallic objects can cause sparking, arcing, and potential damage to the microwave or pose a fire hazard. It's best to follow the manufacturer's guidelines and only use microwave-safe containers and utensils made explicitly for microwave use.