Question

What is called bipolar?

Answer 1

"Bipolar" refers to something that has two opposite or contrasting parts. In different contexts, it can have different meanings. Here are a few common uses:

1. In Electronics: A bipolar device (like a BJT, Bipolar Junction Transistor) is a type of transistor that uses both electron and hole charge carriers to operate. The term "bipolar" here refers to the two types of charge carriers (electrons and holes) involved in the current flow.
   

1. In Psychology: "Bipolar" refers to bipolar disorder, a mental health condition where a person experiences extreme mood swings, from very high (mania) to very low (depression).
   

1. In General Use: "Bipolar" can just mean having two opposite ends or poles. For example, the Earth’s magnetic field has a north and south pole, and you could describe it as bipolar.
   

So, the meaning depends on the context!