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 was the primary use of electricity when it first became available to homes in the 1880s?

• Communication

• Cooking

• Lighting

• Heating

Why did some countries introduce a third earth pin in their plugs?

• To increase the voltage capacity

• To improve the aesthetic design

• To enhance safety by reducing electric shock risk

• To reduce manufacturing costs

What voltage is commonly used in Europe?

• 110 volts

• 120 volts

• 220-240 volts

• 300 volts

Which two historical figures were instrumental in the introduction of electricity?

• Alexander Graham Bell and Guglielmo Marconi

• James Watt and Michael Faraday

• Nikola Tesla and Thomas Edison

• Albert Einstein and Isaac Newton

What should you check on your appliance before traveling to a different country?

• The voltage range it can handle

• The brand of the appliance

• The weight of the appliance

• The color of the appliance