Introductory Electronics – Online MCQs – Physics 10th

1. There are ______ basic logic gates.

2. CRO means

3. Which of the following is not an electronic device?

4. If the input of a NOT gate is “1” then its output is:

5. To study the properties of an electron beam, we use:

6. The process of emission of electrons from the hot metal surface is called:

7. The Boolean expression of an AND gate is:

8. Electronic devices are:

9. In a electron gun, to accelerate the electrons, the anode is connected to:

10. In AND gate, if any input is ‘0’ then the output will be:

11. Electronics comprises the:

12. The Boolean expression of a NOR gate is:

13. The fluorescent screen of the cathode ray oscilloscope is coated with a fluorescent salt such as:

14. When anyone of inputs is at 1, the value of the output of OR gate will be:

15. Presentation of inputs and outputs in binary form as a table is called:

16. Metals are good conductors of electricity because they have free.

17. For AND gate, if A = 1 and B = 0 then A.B = __________

18. In CRO, a grid is connected to which potential:

19. This logical gate is known as the invertor.

20. The beam of fast-moving electrons is called: