engineering recuitment UPPSC AE Mock Test 2024 Power Systems Transmission and Distribution Mechanical Design of Transmission Lines
The internal inductance of a long cylindrical conductor of radius r carrying a sinusoidal current of I rms value is given as:
1
5r × 10-7 H/m
2
5r × 10-6 H/m
3
0.5 × 10-7 H/m
4
5 × 10-7 H/m