to provide as low resistance possible to the ground
to provide as high resistance possible to the ground
to provide flow of positive, negative and zero sequence currents
none of the above
increases
decreases
does not effects
depth of the electrode
moisture
NaCl
all the above
To protect the equipment from excess current
To maintain the line current constant
To maintain the supply voltage constant
To increase the life of the equipments
earth terminal
phase terminal
neutral terminal
live terminal