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how the length effects the ampacity of the cable? if a cable
is carrying a current of 100A for 50m length then what will
the effect on current if we double the length?
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Answer Posted / 98794
CURRENT WILL REDUCE
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L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.
