A. 25 mA
B. 100 mA
C. 6.25 mA
D. 200 mA
A. 1 A
B. 7 A
C. unknown
D. the larger of the two
A. 50 mA
B. 70 mA
C. 120 mA
D. 40 mA
A. 1.2 W
B. 4.8 W
C. 0.3 W
D. 12 W
A. maximum fault current carrying through the ground wire
B. rated current carrying capacity of the service line
C. depends on the soil resistance
D. both (A) and (C)
A. only for the safety of the equipment
B. only for the safety of the operating personnel
C. both (A) and (B)
D. none of the above
A. depth of the electrode
B. moisture
C. Nacl
D. all the above
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
A. to provide low impedance
B. to discharge the charging capacitance to ground
C. protection for operating personnel
D. both (B) and (C)
A. Increases
B. Decreases
C. Remains unaffected