6.The ungrounded system,in reality is a _________ grounding system:
A. Capacitance
B. Inductance
C. Resistance
D. Combination of Inductance and Resistance

7.The objective of grounding or earthing is:
A. To provide as low resistance possible to the ground
B. To provide as high resistance possible to the ground
C. To provide flow of positive,negative and zero sequence currents
D. None of the above

8. The size of the earth or ground wire is based on the:
A. Maximum fault current carrying through the ground wire
B. Rated current carrying through the ground wire
C. Depends on the soil line
D. Both (A) and (C)