test","extracted_subject":"PHYSICS","extracted_chapter":"SEMICONDUCTOR ELECTRONICS MATERIAL, DEVICE AND SIMPLE CIRCUITS","extracted_topic":"JUNCTION TRANSISTOR","questionPreviewUrl":"https://cdn.pureessence.tech/question-previews/packed_canvases/canvas_867.png?top_left_x=1064&top_left_y=842&width=532&height=270&app=solveeit"},"seo_metadata":{"keywords":[]},"doubt_solver_data":{"concept_summary":[]},"embeddings":[],"is_hidden":false,"_id":"66d23c9e70136192204c0f4a","slug":"a-common-emitter-transistor-amplifier-has-a-curren","content":"A common emitter transistor amplifier has a current gain of 50. If the load resistance is 4kW and input resistance is 500 W, the voltage gain of the amplifier –","options":[{"_id":"68a406607f15af4716c8c4e2","text":"160","sequence":0,"isCorrect":false},{"_id":"68a406607f15af4716c8c4e3","text":"200","sequence":1,"isCorrect":false},{"_id":"68a406607f15af4716c8c4e4","text":"400","sequence":2,"isCorrect":true},{"_id":"68a406607f15af4716c8c4e5","text":"None","sequence":3,"isCorrect":false}],"correct_answer":"400","explanation":"b = 50\n\nR_L = 4k W, , R_i = 500W\n\nV_ce = I_cR_L , V_be = I_bR_i\n\nb = \\(\\frac{I_{c}}{I_{b}}\\) = 50\n\nA_V = \\(\\frac{V_{ce}}{V_{be}}\\)= \\(\\frac{I_{e}}{I_{b}} \\times \\frac{R_{L}}{R_{i}} = \\frac{50 \\times 4 \\times 1000}{500}\\) = 400","question_type":"single_choice","appeared_in":[],"created_at":"2024-08-30T21:41:50.111Z","__v":0,"vector_store_id":"1f60f9db-4000-4b69-bc37-eb471cdd4d22","updated_at":"2024-08-30T21:41:50.111Z","isStarred":false},"params":{"questionSlug":"a-common-emitter-transistor-amplifier-has-a-curren"}}]}]]

Question: A common emitter transistor amplifier has a current gain of 50. If the load resistance is 4kW and in...

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