(a) एकांक
(b) शून्य
(c) अनन्त
(d) इनमें से कोई नहीं
62. सी०आर०ओ० में किसी भी वेवफॉर्म का ऊर्ध्वाधर आयाम इंगित करता है
(a) आर०एम०एस० वैल्यू
(b) औसत वैल्यू
(c) तात्कालिक वैल्यू
(d) पीक-टू-पीक वैल्यू
63. द्वि-ध्रुवी जंक्शन ट्रांजिस्टर के टर्मिनल हैं
(a) gate (G), collector (C), source (S)
(b) source (S), collector (C), emitter (E)
(c) base (B), collector (C), emitter (E)
(d) drain (D), emitter (E), base (B)
64. CRO में 250 V., मुख्य A.C. वोल्टेज की पीक टू rm पीक वोल्टेज क्या है?
(a) 250 वोल्ट
(b) 320 वोल्ट
(c) 353.5 वोल्ट
(d) 368.3 वोल्ट
65. ट्रांजिस्टर के अधिकांश, जर्मेनियम अर्ध-चालक की तुलना में सिलिकॉन का उपयोग करके बनाया जाता है; क्योंकि यह है
(a) उच्च बाधा वोल्टेज
(b) उच्च प्रतिरोध वोल्टेज
(c) उच्च तापीय स्थिरता
(d) उच्च करन्ट वहन क्षमता
66. ब्रॉडकास्ट ट्रांसमीटरों में किस प्रकार के ऑसीलेटर का उपयोग होता है?
(a) हार्टले ऑसीलेटर
(b) कॉलपिट्रस ऑसीलेटर
(c)क्रिस्टल ऑसीलेटर
(d) आर०सी० फेज शिफ्ट ऑसीलेटर
67. सी०आर०ओ० का कौन सा हिस्सा ट्रेस की तीव्रता को नियंत्रित करता है?
(a)पावर-ऑन
(b) इंटेसिटी
(c)CAL स्विच
(d)ट्रिगर लेवल
68. सी०आर०ओ० में 240V,, मुख्य ए०सी० वोल्टेज की उच्चतम वोल्टेज क्या है
(a) 339 वोल्ट
(c) 252 वोल्ट
(b) 268 वोल्ट
(d) 240 वोल्ट
69. कम बिजली का ट्रांजिस्टर ऐप्लिकेशन कौन-सा है?.
(a) लाउड स्पीकर
(b) टी०वी० रिसीव
(c) सेकण्ड स्टेज एम्प्लीफायर
(d) माइक्रोफोन
70. ट्रांजिस्टर में इस्तेमाल सिलिकॉन अर्धचालक की बाधा संभावित है
(a) 0.3 वोल्ट
(b) 0.5 वोल्ट
(c) 0.7 वोल्ट
(d) 0.8 वोल्ट
71. एक NPN ट्रांजिस्टर में तीर… .. को सूचित करता है।
(a) उत्सर्जक
(b) बेस
(c) कॉन्फिग्यूरेशन पर निर्भर करता है
(d) कलेक्टर
72. एक NPN ट्रांजिस्टर के प्रचालन में इलेक्ट्रॉन कौन-से रीजन के आर-पार होते हैं?
(a) उत्सर्जक रीजन
(b) वह रीजन जहाँ पर उच्च रिक्तीकरण होता है
(c) P टाइप बेस रीजन
(d) वह रीजन जहाँ निम्न रिक्तीकरण होता है
73. ट्रांजिस्टर को किसके तौर पर उपयोग किया जाता है?
(a) प्रतिरोध
(b) रेक्टिफायर
(c) एम्प्लीफायर
(d) ये सभी
74. CRO के फ्रंट पैनल के पास ……होते हैं।
(a) 15 सेक्शन
(c) 4 सेक्शन
(b) 8 सेक्शन
(d) 20 सेक्शन
75. CRO में फोकस सेक्शन की क्या भूमिका होती है?
(a) फोकस को बढ़ाना
(b) फोकस को घटाना
(c) पैनापन नियंत्रण करना
(d) फोकस शून्य को बनाये रखना
उत्तर - 61b, 62c, 63c, 64c, 65c, 66c, 67c, 68a, 69d, 70c, 71a, 72c, 73c, 74c, 75c
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