Home Physics Electronics Test Online Preparation Mcqs Physics Electronics Test Online Preparation Mcqs Physics Electronics Test Online Preparation Mcqs With Answers Start Below 123456789101112131415Show paginator Hide paginator 7% Question 1 of 15 1. Non-inverting amplifier circuits have ______A. None of the aboveB. A low output impedanceC. A very low input impedanceD. A very high input impedanceQuestion 1 of 15 Loading... Question 2 of 15 2. In case of full wave rectifier the rectified D.C has a.c ripples. The ripple frequency isA. Same that of input A.CB. Half than frequency of input A.CC. Four times the frequency of input A.CD. Twice than frequency of input A.CQuestion 2 of 15 Loading... Question 3 of 15 3. In p-n-p transistor, the collector current is _______.A. Any of aboveB. Equal to emitter currentC. Greater than emitter currentD. Slightly less than emitter currentQuestion 3 of 15 Loading... Question 4 of 15 4. An OP-AMPs can amplifyA. None of the aboveB. D.C.C. A.C.D. Both A.C. & D.C.Question 4 of 15 Loading... Question 5 of 15 5. Hole is equivalent toA. An electronB. A positive chargeC. A negative chargeD. A neutral particleQuestion 5 of 15 Loading... Question 6 of 15 6. The obtain an n-type semiconductor germanium crystal, it must be doped with foreign atoms whose valency is ________.A. 2B. 4C. 3D. 5Question 6 of 15 Loading... Question 7 of 15 7. Acceptor and donor impurities donate ______.A. n-carries onlyB. n-carries and p-carriers respectivelyC. p-carries and n-carries respectivelyD. p-carries onlyQuestion 7 of 15 Loading... Question 8 of 15 8. The semiconductor diode can be used as a rectifier because ______.A. It has low resistance to the current flow when forward biased & high resistance when reverse biasedB. It has high resistance to the current flow when reverse biasedC. Its conductivity increases with rise of temperatureD. It has low resistance to the current flow when forward biasedQuestion 8 of 15 Loading... Question 9 of 15 9. In p-n-p transistor, p works as _______.A. Any of aboveB. CollectorC. BaseD. EmitterQuestion 9 of 15 Loading... Question 10 of 15 10. The device or circuit used for conversion of A.C. into D.C. is called ________.A. ConverterB. Filtering circuitC. A rectifierD. An amplifierQuestion 10 of 15 Loading... Question 11 of 15 11. p-n junction when reversed biased acts as a ________.A. on switchB. off switchC. InductorD. CapacitorQuestion 11 of 15 Loading... Question 12 of 15 12. The value of resistivity of conductor is of the order of _______.A. 10-6 ohm meterB. 10-7 ohm meterC. 10-8 ohm meterD. 10-5 ohm meterQuestion 12 of 15 Loading... Question 13 of 15 13. The simplest type of rectification known as half wave rectification is obtained by _______.A. Using a coolidge tubeB. Suppressing the harmonics in A.C voltageC. Suppressing half wave of A.C supply by using diodeD. Using a transistorQuestion 13 of 15 Loading... Question 14 of 15 14. The alternating voltage is an example ofA. A digital waveformB. An analogue waveformC. None at allD. Discrete waveformQuestion 14 of 15 Loading... Question 15 of 15 15. In forward bias the width of potential barrier _______.A. Remain sameB. DecreasesC. No effectD. IncreasesQuestion 15 of 15 Loading... Loading... Related Study Posts:MDCAT Test Physics Test Online PreparationNational Institute of Electronics CTS Jobs 2024…ASF Written Test Preparation Online McqsOnline ECAT Test Preparation McqsFPSC SST Test Preparation Mcqs OnlinePPSC Lecturer Test Preparation Online McqsLecturer Test KPPSC Preparation Mcqs OnlineTESCO Jobs Online NTS Test Preparation McqsFIA ASI Sub Inspectors Job 2024 OTS Test Preparation…SPSC SST Test Preparation Mcqs Online with Syllabus