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| Q.73 | The maximum and minimum stress in the dielectric of a single core cable are 80 kV/cm (rms) and 20 kV/cm (rms), respectively. If the conductor diameter is 4 cm, then find the thickness of insulation. | |
| Ans | 1. 10 cm | |
| 2. 6 cm | ||
| 3. 12 cm | ||
| 4. 8 cm |
Correct Ans: 2
