Physics · Thermionic Emission

वैक्यूम ट्यूबों में तापायनिक उत्सर्जक (thermionic emitters) बनाने के लिए आमतौर पर किस पदार्थ का उपयोग किया जाता है?

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वैक्यूम ट्यूबों में तापायनिक उत्सर्जक (thermionic emitters) बनाने के लिए आमतौर पर किस पदार्थ का उपयोग किया जाता है?

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वैक्यूम ट्यूबों में तापायनिक उत्सर्जक (thermionic emitters) बनाने के लिए आमतौर पर किस पदार्थ का उपयोग किया जाता है?

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