PHYSICS - Electricity - Sockets & Voltages in Different Countries

The video explores the differences in electricity voltages and plug types across the world. It begins with a historical overview of electricity's introduction in the 1880s, focusing on the evolution of plug designs. The video highlights the global variations in voltage, influenced by historical figures like Tesla and Edison, and explains why these differences persist. It also discusses how modern appliances are designed to handle dual voltages, emphasizing the importance of using the correct plug adapters when traveling internationally.

What safety feature was introduced in some countries to make plugs safer?

How can you determine if an appliance can handle dual voltage?