Introductory Electronics – Online MCQs – Physics 10th

1. For the NAND gate, if A = 0, and B = 1 then the output will be:

2. Thermionic emission is the emission of electrons from a hot:

3. These are the basic unit of digital logic circuits.

4. For a NOR gate, the output will be 0 if:

5. The Boolean expression of an OR gate is:

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

7. This logical, gate is used in a simple automobile seat belt alarm system.

8. ADC circuit converts:

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

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

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

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

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

14. If the direction of magnetic field is reversed, the direction of force is:

15. Non-continuous quantities are called:

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

17. 44. If AND operation is followed by a NOT operation, it will be ________ operation.

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

19. The Boolean expression of an AND gate is:

20. The cathode ray carry: