{"id":24644,"date":"2020-02-28T12:42:04","date_gmt":"2020-02-28T07:12:04","guid":{"rendered":"https:\/\/kseebsolutions.guru\/?p=24644"},"modified":"2021-07-02T15:24:06","modified_gmt":"2021-07-02T09:54:06","slug":"2nd-puc-electronics-model-question-paper-2","status":"publish","type":"post","link":"https:\/\/kseebsolutions.guru\/2nd-puc-electronics-model-question-paper-2\/","title":{"rendered":"2nd PUC Electronics Model Question Paper 2 with Answers"},"content":{"rendered":"

Students can Download 2nd PUC Electronics Model Question Paper 2 with Answers, Karnataka 2nd PUC Electronics Model Question Papers with Answers<\/a>\u00a0helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.<\/p>\n

Karnataka 2nd PUC Electronics Model Question Paper 2 with Answers<\/h2>\n

Max Marks: 70
\nTime : 3 hrs. 15min.<\/p>\n

Part – A<\/span><\/p>\n

Answer all questions: 10 x 1 = 10\u00a0 \u00a0 \u00a0<\/span><\/p>\n

Question 1.
\nDefine pinch-off voltage.
\nAnswer:
\nPinch off voltage is the gate voltage at which drain current becomes almost constant.<\/p>\n

Question 2.
\nDefine quiescent point.
\nAnswer:
\nQ point is the zero signal values of collector current Ic<\/sub> and collector to emitter voltage VCE<\/sub>.<\/p>\n

Question 3.
\nName any one material which exhibits piezo electric effect.
\nAnswer:
\nQuartz<\/p>\n

\"2nd<\/p>\n

Question 4.
\nWhat s fading?
\nAnswer:
\nFading is the fluctuation in the strength of radip signal.<\/p>\n

Question 5.
\nHow many side bands are present in AM wave?
\nAnswer:
\nTwo side bands.<\/p>\n

Question 6.
\nWhat is frequency modulation?
\nAnswer:
\nFrequency modulation is varying the frequency of the carrier wave in accordance with the modulating signal.<\/p>\n

Question 7.
\nDefine a QUAD in a K-map.
\nAnswer:
\nQuad is group of four adjacent l’s ink-map.<\/p>\n

Question 8.
\nConvert 1111 to gray code.
\nAnswer:
\n(1111 )2<\/sub> = (1000) in Gray code<\/p>\n

\"2nd<\/p>\n

Question 9.
\nWhat does a ‘jump’ instruction do in microcontroller programming?
\nAnswer:
\nJump permanently changes the contents of the program counter if centain program condition exists.<\/p>\n

Question 10.
\nWhat is the value of 17% – 2 in C programming?
\nAnswer:
\n1<\/p>\n

Part -B<\/span><\/p>\n

Answer any five questions. 5 x 2 = 10<\/span><\/p>\n

Question 11.
\nWhat is a heat sink? Mention its use.
\nAnswer:
\nHeat sink is a device which absorbs the unnecessary heat generated in the transistor and radiates it to surroundings and protects it.<\/p>\n

Question 12.
\nDraw the frequency response of a CE amplifier.
\nAnswer:
\n\"2nd<\/p>\n

Question 13.
\nWrite any four characteristic features of voltage series negative feedback amplifier.
\nAnswer:<\/p>\n