XEE4140620 Electrical phenomena: self induction. Suppose a tank higher than a tap and let the water flow occur, then shut down abruptly. The movement of the water will continue for a few moments in the pipe and produce a jet of water whose top will exceed the water level in the tank. Anonymous illustration from 1925. Private collection. by Anonymous; Private Collection; (add.info.: Electrical phenomena: self induction. Suppose a tank higher than a tap and let the water flow occur, then shut down abruptly. The movement of the water will continue for a few moments in the pipe and produce a jet of water whose top will exceed the water level in the tank. Anonymous illustration from 1925. Private collection.); Stefano Bianchetti; out of copyright.