Introductory Electronics – Online MCQs – Physics 10th

1. The Boolean expression of a NOT gate is:

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

3. The Boolean expression of a NAND gate is:

4. This logical gate is known as the invertor.

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

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

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

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

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

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

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

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

13. The electric field can be detected:

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

15. A cathode ray oscilloscope consists of:

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

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

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

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

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