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Questions and Answers
What is the unit of measurement for voltage?
What is the unit of measurement for voltage?
- Ohms
- Amps
- Volts (correct)
- Hertz
What is the symbol used to represent volts?
What is the symbol used to represent volts?
- V (correct)
- Vl
- A
- Vt
What is the range of mains voltage in most countries?
What is the range of mains voltage in most countries?
- Between 300 and 350 V
- Between 50 and 100 V
- Between 220 and 240 V (correct)
- Between 110 and 120 V
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?
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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?
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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?
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What is the typical voltage supplied by most cells?
What is the typical voltage supplied by most cells?
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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?
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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?
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What is the voltage range observed for the mains in most countries?
What is the voltage range observed for the mains in most countries?
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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?
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