H Exp – Electricity and Electronics 01 – Electric Field patterns

Aim – To investigate the electric field patterns around two point charges and two parallel plates.

Instructions

▪ The dish contains seeds, floating on oil. When the Van de Graaff is switched on the seeds align themselves along the electric field lines
▪ Investigate the field patterns around two point charges and two parallel plates.
▪ Throw the sawdust at the Van de Graaff dome.
▪ The sawdust is affected by the radial field around the dome. Explain the behaviour of the pieces of sawdust after they come in contact with the charging dome.

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