Question

(খ) বাৰিষা আম-কঠাল লাগে। বৰিষা আৰু কি কি ফল হয়ত
তবননামার কোনটা মা মানববেচ​

Answer 1

Answer:

A permanent magnet is one that retains its magnetic properties for a long period of time. ... Temporary magnets are those that simply act like permanent magnets when they are within a strong magnetic field.