Determine the Geometrical Mean Radius (GMR) of the conductors with the arrangements shown in Fig. 3.1. The Geometrical Mean Radius (GMR) of each conductor is \(r^{\prime}\).

1) \(r^{\prime} \sqrt{D}\)

2) \(D \sqrt{r^{\prime}}\)

3) \(\sqrt{r^{\prime} D}\)

4) \(\sqrt{\frac{r^{\prime}}{D}}\)

Transcribed Image Text:

-D