Introductory Electronics – Online MCQs – Physics 10th

1. A simplified intrusion detection system using a/an:

2. Digital electronics uses the digits:

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

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

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

6. The Boolean expression of an OR gate is:

7. This logical gate is known as the invertor.

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

9. The electric field can be detected:

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

11. For OR gate, if A = 0 and B = 1 then A + B = __________

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

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

14. The Boolean expression of a NOR gate is:

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

16. There are ______ basic logic gates.

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

18. The continuous flow of electrons is made possible by a device called:

19. In a magnetic field, the energy and speed of the electron beam:

20. Electronics comprises the: