The most suitable material for making the core of an electromagnet is :
Anonymous Quiz
14%
Still
54%
Iron
25%
Soft iron
8%
Hard iton
π5π4π₯°4π₯2
Which of the following is not attracted by a magnet?
Anonymous Quiz
34%
Steel
19%
Cobalt
35%
Brass
12%
Nickel
π16π8β€βπ₯4π3π₯°2π₯1π1
The amount of energy that flows from one trophic level to another in a food chain is
Anonymous Quiz
23%
5%
45%
10%
26%
25%
6%
39%
π12π8π₯°6π5
Which of the following is responsible for the depletion of the ozone layer
Anonymous Quiz
24%
Cfcs
27%
Oxygen
38%
So2
11%
None
π7π₯°7π₯5
π12π11π2
β€βπ₯16π7π2π₯°2