Power Systems Circuit Breakers Arc Phenomenon

The rapid increase of dielectric strength of the medium and near current zero can be achieved by

i. lengthening of the gap

ii. blast effect

iii. cooling

iv. decrease the pressure in the vicinity of the arc

Select correct option :

1

ii, iii, iv are correct

2

i, iii, iv are correct

3

i, ii, iv are correct

4

i, ii, iii are correct

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