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Physics 10th Class English Medium Unit 7 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | Electronics is the study of principles by means of which we control the: | Flow of electrons. Nuclear fission Fusion reaction Radiations |
| 2 | Electronics is a branch of: | Mass Applied Physics Mechanics Nuclear Physics |
| 3 | The output of a NAND gate is 0 when | Both of its inputs are 0 Both of its inputs are 1 any of its inputs is 0 any of its inputs is 1 |
| 4 | If X = A,B, then X is 1 when: | A and B are 1 A or B is 0 A is 0 and B is 1 A is 1 and B is 0 |
| 5 | The output of a two input NOR gate is 1 when: | A is 1 and B is 0 A is 0 and B IS 1 Both A and B are 0 Both A and B are 1 |
| 6 | AND gate can be formed by using two: | NOT gates OR gates NOR gates Nand gates |
| 7 | The logical operation performed by this gate is: | AND NOR NAND OR |
| 8 | The particles emitted from a hot cathode surface are: | Positive ions Negative ions Proton Electron |
| 9 | The process by which electrons are emitted by a hot metal surface is known as: |
Boiling Evaportion Conduction Thermionic emission |
| 10 | Two switches attached in series work on which operation? | AND operation OR operation NOT operation NOR operation |
| 11 | Boolean expression for AND operation is: | X = A̅ X = A + B X = A . B X = A̅B̅ |
| 12 | The symbol of AND operation is: | + - . * |
