Introductory Electronics – Online MCQs – Physics 10th

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

2. The Boolean expression of an OR gate is:

3. The Boolean expression of a NOT gate is:

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

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

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

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

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

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

10. when a HIGH level is applied to a logical inverter, its output will be:

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

12. The cathode ray carry:

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

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

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

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

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

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

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

20. There are ______ basic logic gates.