3. Why is the earth pin thicker and longer than live and neutral pins?

1.	3. Why is the earth pin thicker and longer than live and neutral pins?Ans4. What are magnetic materials? Give an example,Ans.5. How is an electromagnet different from a permanent magnet?Ans.
Answer» 4.Thosematerialswhich are not attracted by amagnetare called non-magnetic materials. All thesubstancesother than iron, nickel,andCobalt are non-magnetic substancesforexampleplastic, rubber, water, etc are nonmagneticmaterials. Non-magnetic substancescannot be magnetized. 4) the materials which are attracted by a magnet is called a magnetic materialexample:- when we bring an iron bar close to a magnet, we can see that the magnet is attracting the iron bar5) an electromagnet can be created by a flow of current in the object whereas a permanent magnet is magnetizedthe property of an electromagnet depends on the amount of current flows in the object, but permanent magnets properties are depending upon the magnetizing material

3. Why is the earth pin thicker and longer than live and neutral pins?Ans4. What are magnetic materials? Give an example,Ans.5. How is an electromagnet different from a permanent magnet?Ans.

Answer»

4.Thosematerialswhich are not attracted by amagnetare called non-magnetic materials. All thesubstancesother than iron, nickel,andCobalt are non-magnetic substancesforexampleplastic, rubber, water, etc are nonmagneticmaterials. Non-magnetic substancescannot be magnetized.

4) the materials which are attracted by a magnet is called a magnetic materialexample:- when we bring an iron bar close to a magnet, we can see that the magnet is attracting the iron bar5) an electromagnet can be created by a flow of current in the object whereas a permanent magnet is magnetizedthe property of an electromagnet depends on the amount of current flows in the object, but permanent magnets properties are depending upon the magnetizing material

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