Podcast
Questions and Answers
What is the most common voltage and frequency combination used in North America?
What is the most common voltage and frequency combination used in North America?
- 110 V and 50 Hz
- 230 V and 50 Hz
- 120 V and 60 Hz (correct)
- 240 V and 60 Hz
What is the general-purpose alternating-current electric power supply commonly known as?
What is the general-purpose alternating-current electric power supply commonly known as?
- Mains electricity (correct)
- Solar power
- Direct current
- Hydroelectric power
What may happen to travellers' portable appliances when used with foreign electrical supplies?
What may happen to travellers' portable appliances when used with foreign electrical supplies?
- Enhanced performance
- Increased durability
- No impact
- Inoperative or damaged (correct)
What is the purpose of non-interchangeable plugs and sockets in different regions?
What is the purpose of non-interchangeable plugs and sockets in different regions?
What is the nominal voltage and frequency used in much of the world for electrical power?
What is the nominal voltage and frequency used in much of the world for electrical power?
What is the form of electrical power that is delivered to homes and businesses through the electrical grid in many parts of the world?
What is the form of electrical power that is delivered to homes and businesses through the electrical grid in many parts of the world?
What is the nominal voltage and frequency commonly used in much of the world for electrical power?
What is the nominal voltage and frequency commonly used in much of the world for electrical power?
What is the most common voltage and frequency combination used in North America for electrical power?
What is the most common voltage and frequency combination used in North America for electrical power?
What may happen to travellers' portable appliances when used with foreign electrical supplies?
What may happen to travellers' portable appliances when used with foreign electrical supplies?
What is the purpose of non-interchangeable plugs and sockets in different regions for electrical power?
What is the purpose of non-interchangeable plugs and sockets in different regions for electrical power?
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