Introductory Electronics – Online MCQs – Physics 10th

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

2. The Boolean expression of an OR gate is:

3. The electric field can be detected:

4. When anyone of inputs is at 1, the value of the output of OR gate will be:

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

6. This logical gate is known as the invertor.

7. Non-continuous quantities are called:

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

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

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

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

12. There are ______ basic logic gates.

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

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

15. The Boolean expression of a NAND gate is:

16. The Boolean expression of a NOR gate is:

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

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

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

20. CRO means