test","extracted_subject":"PHYSICS","extracted_chapter":"SEMICONDUCTOR ELECTRONICS MATERIAL, DEVICE AND SIMPLE CIRCUITS","extracted_topic":"SEMICONDUCTOR DIODE","questionPreviewUrl":"https://cdn.pureessence.tech/question-previews/packed_canvases/canvas_863.png?top_left_x=532&top_left_y=1109&width=532&height=293&app=solveeit"},"seo_metadata":{"keywords":[]},"doubt_solver_data":{"concept_summary":[]},"embeddings":[],"is_hidden":false,"_id":"66d23c9d70136192204c0e28","slug":"what-is-the-conductivity-of-a-semiconductor-if-ele","content":"What is the conductivity of a semiconductor if electron density = 5 × 10¹²/cm³ and hole density = 8 × 10¹³/cm³?\n\n(m_e = 2.3 V^–1s^–1m² and m_h = 0.01 V^–1s^–1m²)","options":[{"_id":"68a383ac7f15af4716b76ef1","text":"5.634","sequence":0,"isCorrect":false},{"_id":"68a383ac7f15af4716b76ef2","text":"1.968","sequence":1,"isCorrect":true},{"_id":"68a383ac7f15af4716b76ef3","text":"3.421","sequence":2,"isCorrect":false},{"_id":"68a383ac7f15af4716b76ef4","text":"8.964","sequence":3,"isCorrect":false}],"correct_answer":"1.968","explanation":"s = e (n_em_e + n_hm_h)","question_type":"single_choice","appeared_in":[],"created_at":"2024-08-30T21:41:49.565Z","__v":0,"vector_store_id":"2cb3983d-f1e4-4545-86c1-19dabe8b5294","updated_at":"2024-08-30T21:41:49.565Z","isStarred":false},"params":{"questionSlug":"what-is-the-conductivity-of-a-semiconductor-if-ele"}}]}]]

Question: What is the conductivity of a semiconductor if electron density = 5 × 10<sup>12</sup>/cm<sup>3</sup>...

Solution