Microwave ovens use microwaves for heating. It can only heat water. In other words, only objects containing water can be heated.

The oven is heated by infrared rays, which is characterized by heating from outside to inside.

Induction cooker is a container that uses eddy current in electromagnetic induction to heat ferromagnetic substances, that is to say, if the container made of aluminum or copper is replaced, it cannot be heated on the induction cooker.

Understand?