Subject :NSO Class : Class 6
Vinod took out four nails of similar size and thickness
but made from four different metals. He wanted to find
out which metal nail could turn into an electromagnet.
Which one of the following experiments will work?
A
B
C
D
the answer is supposed to be iron
Ans 1:
Class : Class 6
iron is the correct answer as is will make the best electromagnet whereas steel is an alloy of iron and carbon.
Ans 2:
Class : Class 6
how?????????
Ans 3:
Class : Class 4
Technically, the copper experiment will also work and although it will form a weak magnet, it will be a magnet nonetheless. The question prompt asks to identify the experiments which will work and that is both A and will be the correct options
Ans 4:
Class : Class 10
why!
Ans 5:
Class : Class 10
The answer is ( d).