The negative electrode in an X-ray tube is called the...

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Multiple Choice

The negative electrode in an X-ray tube is called the...

Explanation:
In X-ray tubes, the negative electrode is the cathode. It provides electrons by heating a filament inside the cathode (thermionic emission). These electrons are then pulled toward the positively charged anode, where their rapid impact generates X-rays. The filament is a part of the cathode, not the electrode itself, and the shield is simply the tube housing that reduces leakage radiation.

In X-ray tubes, the negative electrode is the cathode. It provides electrons by heating a filament inside the cathode (thermionic emission). These electrons are then pulled toward the positively charged anode, where their rapid impact generates X-rays. The filament is a part of the cathode, not the electrode itself, and the shield is simply the tube housing that reduces leakage radiation.

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