What causes microwave spark?
            Chef's answer
            
                
                    
                        
                
            
        
    
                            Sparks in the microwave are usually caused by the microwaves hitting a metal object inside the appliance. Metals conduct electricity with lots of electrons which move freely. ... Sparks occur simply due to a build-up of charged particles which produce a concentrated electric field at the edge of the metal object. 
                    
        Frequently asked Questions 🎓
        
                        
                        
                            
                        
                        
                            
                    
                            
    
    
         
    
 ✔
                                
                        
                                   Is a Sparking Microwave Dangerous? In most cases, you're perfectly safe if your microwave starts sparking. However, if you see sparks in the microwave, you should still turn it off immediately.. 
                                
                            
            A few more cooking questions 📍