The velocity factor of a transmission line is 0.62 .Calculate dielectric constant of the insulation used.

Explanation

To calculate the dielectric constant of the insulation used in a transmission line with a given velocity factor, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Given Information**:
- The velocity factor (VF) of the transmission line is given as 0.62.

2. **Recall the Formula for Dielectric Constant**:
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