Introductory Electronics – Online MCQs – Physics 10th

1. The Boolean expression of a NOR gate is:

2. The Boolean expression of a NOT gate is:

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

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

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

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

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

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

9. Modern colour TVs have __________ electron guns.

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

11. The cathode rays carry:

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

13. Electronics comprises the:

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

15. CRO means

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

17. Digital electronics uses the digits:

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

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

20. Non-continuous quantities are called: