Introductory Electronics – Online MCQs – Physics 10th

1. The Boolean expression of a NAND gate is:

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

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

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

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

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

7. Application of a NOT gate at the output of OR gate then we will get:

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

9. CRO means

10. The Boolean expression of a NOR gate is:

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

12. The cathode rays carry:

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

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

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

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

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

18. In an electric field, the beam of electrons follows a:

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

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