engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 General Science Physics Current Electricity
The objective of earthing in houses is:
1
to provide as low resistance as possible for conduction of current to the ground
2
to provide as high resistance as possible for conduction of current to the ground
3
to provide high voltage to the equipments
4
to provide high current to the equipments