ये 107sqmm. Contact wire होती है । इसका material पूर्ण रूप से कॉपर का होता है । इसके 1 mtr में वजन 0.9512 kg/m होता है । इसका इस्तमाल रेलवे electrification मै होता है । इसका उपर जो हमारी बिजली वाले engine होते है उनके Pentograph touch करके चलते है जो कि इस प्रकार है ।
This is 107sqmm. Contact wire is there. Its material is completely copper. Its 1 mtr weighs 0.9512 kg / m. It is used in railway electrification. On top of that our electric engines run by touching their Pentograph which is like this.
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