Physics · Current Electricity
गरम होने वाले (इन्कैंडिसेंट) बिजली के बल्बों के फिलामेंट बनाने के लिए मुख्य रूप से किस तत्व का उपयोग किया जाता है?
- 1टंगस्टन (Tungsten)✓
- 2चांदी (Silver)
- 3सोना (Gold)
- 4तांबा (Copper)
सही उत्तर देखें
टंगस्टन (Tungsten)
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