my son was asked to create a negative electric field using an old part out of a television.
the part he was given looks like an ametuer power supply.
he has been given one long wire and an earth.
he is lost completely on how to start ,never mind finish.
does anyone know how to complete this task.
many thanks![Mad :mad: :mad:](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
the part he was given looks like an ametuer power supply.
he has been given one long wire and an earth.
he is lost completely on how to start ,never mind finish.
does anyone know how to complete this task.
many thanks