Basic Electronics Multiple Choice Questions By: Prof. Dr. Fazal Rehman | Last updated: April 30, 2025 12 Score: 0 Attempted: 0/12 Subscribe 1. : When we use a single transistor, we obtain which gate? (A) NOR gate (B) OR gate (C) NOT gate (D) NAND gate 2. : The circuit which implements OR operation is called as: (A) AND gate (B) NOT gate (C) NOR gate (D) OR gate 3. : When we increase the number of turns of wire on the secondary coil of a transformer, then: (A) No effect (B) A decrease in the secondary current (C) Increase in the secondary current (D) Increase in the primary current 4. : The deviation in the resistance of a resistor is known as: (A) Tolerance (B) Capacitance (C) Inductance (D) None of the above 5. : In a C.R.O, the grid is connected to which potential? (A) Negative potential (B) Positive potential (C) Both (D) None of these 6. : A bipolar transistor is: (A) Free electrons and holes are current carriers (B) Free electrons are current carriers (C) Holes are current carriers (D) All of these 7. : Which one is correct about the potential barrier? (A) Amount of energy required to produce half conduction across PN junction in reverse bias (B) Amount of energy required to produce full conduction across PN junction in reverse bias (C) Amount of energy required to produce full conduction across PN junction in forward bias (D) None of these 8. : An electronic component used to store electric charge is: (A) Inductor (B) Resistor (C) Capacitor (D) None of these 9. : When will a transistor behave as a linear device? (A) Large signals input (B) Small signals input (C) Medium signals input (D) All of these 10. : What is the function of a linear series voltage converter? (A) Resistance voltage converter (B) Shunt voltage converter (C) Overflow voltage converter (D) All of these 11. : A rectifier is a device used to: (A) Convert DC to AC (B) Convert AC to DC (C) Both (D) None of the above 12. : OP-Amp is the abbreviation of: (A) Opposite amplifier (B) Ohm amplifier (C) Operational amplifier (D) All of these Related Posts:Basic Electronics Multiple choice questions MCQs - Questions AnswersBasic Mechanical Engineering Multiple Choice QuestionsBasic Use of Computers MCQs (Multiple Choice Questions)Basic Electronics Instrumentation Important Questions – Past PapersBasic Electronics MCQ's for MS and Ph.D admission in universitiesBASIC Electronics MCQ's