Basic Electronics Multiple choice questions MCQs – Questions Answers

By: Prof. Dr. Fazal Rehman | Last updated: April 30, 2025

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1. : The ripple factor of a power supply is:





2. : LED stands for:





3. : The multimeter is an instrument that measures:





4. : When the temperature of the semiconductor is increased, the conductivity will:





5. : Electrons emitted from hot metal surfaces is a process of:





6. : Common transistor has three leads named as:





7. : The function of a zener diode is:





8. : DSC means:





9. : The total number of electrons in an atom is termed as:





10. : Which of the following logic gates are known as universal gates?





11. : To store one BCD digit, how many bits are needed?





12. : What is Avalanche breakdown in a zener diode?





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