Question 108: Magnetism and Matter

Question

Hysteresis loops for two magnetic materials $$A$$ and $$B$$ are given below :
These materials are used to make magnets for electric generators, transformer core and electromagnet core. Then it is proper to use :

Accepted Answer

Graph $$\left[ A \right]$$ is for material used for making permanent magnets (high coercivity)
Graph $$\left[ B \right]$$ is for making electromagnets and transformers.

Answer

$$A$$ for transformers and $$B$$ for electric generators.

Answer

$$B$$ for electromagnets and transformers.

Answer

$$A$$ for electric generators and transformers.

Answer

$$A$$ for electromagnets and $$B$$ for electric generators.

Magnetism and Matter

Hysteresis loops for two magnetic materials $A and B$ are given below : These materials are used to make magnets for electric generators, transformer core and electromagnet core. Then it is proper to use :

Choose the correct answer: