Thoriated tungsten is usually used to make:

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Question 1 of 20NIv97Qxe6bBeeUN01kKZ

Thoriated tungsten is usually used to make:

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Thoriated tungsten is usually used to make:

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🔍 Key Concepts

• Thermionic emission and how heated materials release electrons • Role of tungsten and why thorium is added to it in vacuum tubes/electron tubes • Differences between filaments, heaters, and cathodes in an electron tube

💭 Think About

• Think about which component in an electron tube is specifically responsible for emitting electrons into the vacuum. • Ask yourself: Do all heated elements in a tube emit electrons, or is there a particular part designed and treated (like with thorium) to improve emission? • Consider why thorium is added to tungsten—what property is it meant to improve, and for which tube element does that improvement matter most?

✅ Before You Answer

• Verify which tube element is the primary electron-emitting surface. • Check which part is often coated or alloyed to lower the work function (make electron emission easier). • Confirm whether plain filaments or heaters by themselves need thorium, or whether another element usually gets the thoriated tungsten treatment.

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Question 1 of 20NIv97Qxe6bBeeUN01kKZ

Thoriated tungsten is usually used to make:

Back

Question 1 of 20

NIv97Qxe6bBeeUN01kKZ

Q

Thoriated tungsten is usually used to make:

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

• Thermionic emission and how heated materials release electrons • Role of tungsten and why thorium is added to it in vacuum tubes/electron tubes • Differences between filaments, heaters, and cathodes in an electron tube

💭 Think About

• Think about which component in an electron tube is specifically responsible for emitting electrons into the vacuum. • Ask yourself: Do all heated elements in a tube emit electrons, or is there a particular part designed and treated (like with thorium) to improve emission? • Consider why thorium is added to tungsten—what property is it meant to improve, and for which tube element does that improvement matter most?

✅ Before You Answer

• Verify which tube element is the primary electron-emitting surface. • Check which part is often coated or alloyed to lower the work function (make electron emission easier). • Confirm whether plain filaments or heaters by themselves need thorium, or whether another element usually gets the thoriated tungsten treatment.

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed