A School organised an educational tour to two places. First one was to a thermal power station and the `2^(nd)` to a factory of dry cells
The engineer at the power station explained to the students how electric power is generated and transmitted to the city .
The manager at the dry cell factory , took the students to the factory and explained them the importance of dry cells in our daily life.'
Which type of voltage is provided by power station and which type of voltage by dry cell ???