The center-tap connection in a filament...

Question 1 / 20orEw9pPHAWcQiYXfY4wt

Question 1 of 20orEw9pPHAWcQiYXfY4wt

The center-tap connection in a filament supply transformer:

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Question 1 of 20

orEw9pPHAWcQiYXfY4wt

The center-tap connection in a filament supply transformer:

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🔍 Key Concepts

• AC filament (heater) supplies in audio/radio circuits • How a center-tapped transformer secondary relates each side of the filament to ground or reference potential • The idea of hum cancellation when equal and opposite voltages exist on two sides of a component

💭 Think About

• Imagine the filament with a center tap connected to a reference (like ground). What voltage does each end of the filament see with respect to that reference at any instant? • If one side of the filament goes slightly more positive with respect to the reference, what happens to the other side at that same instant? • How would having equal and opposite voltages on each side of the filament affect the net hum that can couple into the signal path?

✅ Before You Answer

• Check whether the center tap is mainly about mechanical support, voltage reduction, or symmetrical electrical reference to reduce hum • Verify if hum reduction depends on equal and opposite AC voltages around the reference point • Confirm whether statements A and B describe different aspects of the same effect, or if one adds extra information beyond the other

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Question 1 of 20

The center-tap connection in a filament supply transformer:

Prevents hum voltages from modulating the normal signal

The voltage change on one side of the filament will be effectively cancelled out by an equal and opposite voltage change at the other side of the filament, yielding no hum

A & B

None of the above

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Question 1 / 20orEw9pPHAWcQiYXfY4wt

Question 1 of 20orEw9pPHAWcQiYXfY4wt

The center-tap connection in a filament supply transformer:

Back

Question 1 of 20

orEw9pPHAWcQiYXfY4wt

The center-tap connection in a filament supply transformer:

No comments yet

Be the first to share your thoughts!

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

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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

Quick actions

— No credit card needed