Why Does My Laptop Charger Spark?

Small sparks (known as arcing) when plugging in or removing a power supply are quite normal and are related to the inductance of the AC adapter. Any wire loop (any conductor has small inductance), such as a transformer, has an inductance. The transformer has a...

Laptop Chargers

Laptop Chargers Occasional requests have surfaced asking about the purchase of additional laptop chargers for student laptops.  Though the technology department does not sell these chargers, they are available through a number of online retailers such as Amazon.com....