Introductory Electronics – Online MCQs – Physics 10th

1. A cathode ray oscilloscope consists of:

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

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

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

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

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

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

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

9. The fluorescent screen of the cathode ray oscilloscope is coated with a fluorescent salt such as:

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

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

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

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

14. Electronic devices are:

15. The cathode rays carry:

16. Digital electronics uses the digits:

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

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

19. Thermionic emission is the emission of electrons from a hot:

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