what is pantograph and train ke uper wala wire gista q nahi
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pata nahi please follow me
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Pantograph locomotive ko electricity dete hai wo ek type ka charger hai jisse train chal sake aur wire isliye nahi giste kyuki dono pantograph ke beech mai circuit breaker rehta hai aur har 3 km mai circuit breaker hota hi hai jisse electrical line pe load nahi ho.
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