What is electric diode? Md. Saifur Rahman A diode is an electrical device allowing current to move through it is one direction with the far greater case than in the other. You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?