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Physics 10th Class English Medium Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | 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 |
| 2 | 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 |
| 3 | AND gate can be formed by using two: | NOT gates OR gates NOR gates Nand gates |
| 4 | The logical operation performed by this gate is: | AND NOR NAND OR |
| 5 | The particles emitted from a hot cathode surface are: | Positive ions Negative ions Proton Electron |
| 6 | The process by which electrons are emitted by a hot metal surface is known as: |
Boiling Evaportion Conduction Thermionic emission |
| 7 | When a current carrying conductor is placed in magnetic field at right angle to it. The direction of force acting upon it is: | The same as direction of field Opposite the direction of field Makes an angle of 45<sup>o</sup>with the current At right angle to both the field and the current. |
| 8 | The shape of magnetic lines of force in case of a straight current carrying conductor is: | Eliptical Trangular Rectangular Circular |
| 9 | If the change of current in a circuit induces a current in another circuit, this phenomena is known as: | Self induction Mutual induction Electromagnetic induction None mutual induction |
| 10 | In A.C. generator flux will be zero if coil is to the field. | 90<sup>o</sup> 45<sup>o</sup> Parallel Inclined |
| 11 | Transformer which increase voltage is called. | Step-up transformer Step down transformer D.C.Moter A.C.genrator |
| 12 | The voltage is decreased by: | Step-up transformer Step-down transformer A.C. generator D.C. Motor |
