Correct Answer - Option 1 : 0.1 π A
Concept:
Charging current = VωC
Where,
V = Voltage in volts
ω = 2πf = Angular frequency
f = Supply frequency in Hz
C = Equivalent capacitance
Calculation:
Given that, voltage (V) = 500 kV
Frequency (f) = 50 Hz
Capacitance = 2 nF/km
Charging current (Ic) = 500 × 103 × 2π × 50 × 2 × 10-9
= 0.1 π A