Introductory Electronics – Online MCQs – Physics 10th

1. Electronics comprises the:

2. Digital electronics uses the digits:

3. A cathode ray oscilloscope consists of:

4. Electronic devices are:

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

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

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

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

9. The Boolean expression of a NAND gate is:

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

11. There are ______ basic logic gates.

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

13. The cathode rays carry:

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

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

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

17. The Boolean expression of a NOT gate is:

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

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

20. The electric field can be detected: