Punjab 10th Class Physics Chapter 7 Basic Electronics Mcqs Test Online Punjab 10th Class Physics Chapter 7 Basic Electronics Mcqs Test Online 1234567891011121314151617181920Show paginator Hide paginator Question 1 of 20Physics 1. Which is not a true statement? 1.Germanium crystal acts as insulator in its purest form 2.Germanium has four electrons is its valence shell 3.Germanium forms covalent bond by sharing four electrons 4.Germanium is the member of 6th group of periodic table Question 1 of 20Question 2 of 20 2. In a n-type crystal, the majority carriers are: 1.Protons 2.Holes 3.Positron 4.Free electors Question 2 of 20Question 3 of 20 3. A and B are the two input of a NAND gate. Its output would be 1 when: 1.A = 1, B = 1 2.A = 0, B = 0 3.A = 1, B = 0 4.A = 0, B = 0Question 3 of 20Question 4 of 20 4. Which is the semi conductor: 1.Germanium 2.Silver 3.Gold 4.Iron Question 4 of 20Question 5 of 20 5. The logical operation performed by this gate is: 1.OR 2.NOR 3.AND 4.NAND Question 5 of 20Question 6 of 20 6. The output of a two-input NOR gate is 1 when: 1.A is 1 and B is 0 2.Both A and B are 0 3.Both A and B are 14.A is 0 and B is 1 Question 6 of 20Question 7 of 20 7. If X = A.B, then X is 1 when: 1.A and B are 1 2.A or B is 0 3.A is 1 and B is 04.A is 0 and B is 1 Question 7 of 20Question 8 of 20 8. Those quantities whose values very continuously or remains constant are called: 1.Vector quantities 2.Scalar quantities 3.Analogue quantities 4.Light quantities Question 8 of 20Question 9 of 20 9. AND gate can be formed by using two: 1.NOR gates 2.NAND gates 3.NOT gates 4.OR gates Question 9 of 20Question 10 of 20 10. The branch of applied physics in which we control the flow of electrons using diodes, transistors and other semi conductor devices in order to meet our various requirements is called: 1.Mechanics 2.Electricity 3.Metaphysics 4.Electronics Question 10 of 20Question 11 of 20 11. The particles emitted from a hot cathode surface are: 1.Protons 2.Negative ions 3.Electrons 4.Positive ions Question 11 of 20Question 12 of 20 12. The output of an OR gate would be 0 when: 1.Both of its inputs are 1 2.Any one of its two inputs is 13.Both of its input are 0 4.One of its two inputs is zero Question 12 of 20Question 13 of 20 13. Which of the following is an insulator? 1.Aluminium 2.Silicon 3.Plastic 4.Copper Question 13 of 20Question 14 of 20 14. The output of a NAND gate is 0 when: 1.Any of its inputs is 12.Any of its inputs is 0 3.Both of its inputs are 1 4.Both of its inputs are 0 Question 14 of 20Question 15 of 20 15. The two inputs of a NAND gate are A and B. Its output would be 0 when: 1.A = 1, B = 0 2.A = 1, B = 1 3.A = 0, B = 0 4.A = 0, B = 0Question 15 of 20Question 16 of 20 16. Which statement is not true: 1.Microphone converts sound into electric potential 2.Amplifier is an analogue circuit 3.Amplifier is not an analogue circuit4.Temperature is an analogue quantity Question 16 of 20Question 17 of 20 17. Atomic number of silver is 47, the number of its valence electrons would be _________. 1.32 2.2 3.8 4.18 Question 17 of 20Question 18 of 20 18. The process by which electrons are emitted by a hot metal surface is known as: 1.Conduction 2.Thermionic emission 3.Boiling 4.Evaporation Question 18 of 20Question 19 of 20 19. The output of an AND gate is only 1 when: 1.Both of its inputs are 0 2.Anyone of the two3.Any one of the two inputs is 0 4.Both of its inputs are 1 Question 19 of 20Question 20 of 20 20. Which statement is not true about semi-conductor: 1.They are not good conductors in their purest form 2.Hexavalent impurity is usually added in them 3.The number of electron can be added according to our requirement 4.They are not of such practical use is this state. Question 20 of 20 Loading... Test By Subject Punjab Test By Topics 10th Class Physics You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.