Introductory Electronics – Online MCQs – Physics 10th

1. Phenomenon of emission of electrons hot metal surfaces is called:

2. The Boolean expression of an OR gate is:

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

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

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

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

7. In an electric field, the energy and speed of the electron beam:

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

9. The Boolean expression of a NAND gate is:

10. The charge-to-mass ratio (e/m) of electrons is:

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

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

13. In a magnetic field, the beam of electrons follows a:

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

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

16. The Boolean expression of an AND gate is:

17. For AND gate, A.B.C = 1 if:

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

19. This type of signal is in form of a wave:

20. Digital electronics uses the digits: