Question

Q8. Observe the diagram given below. (a) name the type of magnet (b) Is it a
temporary or permanent magnet? (c) Name a material which when placed in
place of PQ that can be best made into a very strong magnet. (d) What happens
if the direction of current is reversed? ​

Answer 1

Answer:

a) electromagnet

b) temporary magnet

c) iron or nickel

d) nothing will change if we change the direction of current only the poles of magnet will change

Answer 2

Answer:

a. electromagnet

b. temporary

c. alnico

d. when direction of current is reversed then polarity of this magnet will change and also the direction of magnetic field will be changed.