Question { 8810 }

How one can check the charger of the mobile phone or any
other charger .......... that is it working ? if , working
is it delivering the required supply which is needed by the
battery to charge properly ?

Answer

If you are not getting voltage from your charger means it may wire problem. Open the charger and check the voltage in output side. Where the wires are connected. Voltage should be with in 3.7v to 5v. Then your charger is good.

Question { TCS, 4873 }

Whats the purpose of neutral earthing?

Answer

To avoid the circulating current we preferred to use neutral Earth.