Podcast
Questions and Answers
What is the unit of measurement for voltage?
What is the unit of measurement for voltage?
What is the symbol used to represent volts?
What is the symbol used to represent volts?
What is the range of mains voltage in most countries?
What is the range of mains voltage in most countries?
What is the maximum voltage often used for lamps in schools for electrical experiments?
What is the maximum voltage often used for lamps in schools for electrical experiments?
Signup and view all the answers
Which component in a circuit converts electrical energy into light and thermal energy?
Which component in a circuit converts electrical energy into light and thermal energy?
Signup and view all the answers
What do cells, batteries, power supplies, and the mains represent in a circuit?
What do cells, batteries, power supplies, and the mains represent in a circuit?
Signup and view all the answers
What is the typical voltage supplied by most cells?
What is the typical voltage supplied by most cells?
Signup and view all the answers
Which of the following components in a circuit usually has a maximum voltage rating?
Which of the following components in a circuit usually has a maximum voltage rating?
Signup and view all the answers
What does the term 'mains' refer to in the context of electrical supply?
What does the term 'mains' refer to in the context of electrical supply?
Signup and view all the answers
What is the voltage range observed for the mains in most countries?
What is the voltage range observed for the mains in most countries?
Signup and view all the answers
How does voltage relate to the energy change by components in a circuit?
How does voltage relate to the energy change by components in a circuit?
Signup and view all the answers