H Exp – Electricity and Electronics 14 – Uses of capacitors – a flashing neon lamp

Aim – To show the principle of operation of a flashing neon lamp.

Instructions

▪ Close switch F to charge up the capacitor.
▪ Close switch S. This momentarily closes the contacts of the switch.
▪ The switch F remains closed. What happens to the capacitor after the switch S has opened and the lamp has flashed.

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