| 1 |
The value of e/m is smallest for |
- A. Proton
- B. Electron
- C. Beta particle
- D. Positron
|
| 2 |
CRO works by deflecting the beam of electron as they pass through |
- A. Uniform magnetic field
- B. Uniform electric field between two sets of parallel plates
- C. Non-uniform magnetic field
- D. None of these
|
| 3 |
The unit of permiability of free space is: |
- A. T.m/A
- B. T.m<sup>2</sup>/A
- C. T.m/A<sup>2</sup>
- D. None of these
|
| 4 |
The effective way to increase the sensitivity of moving coil galvanometer is. |
- A. Increase the area of coil
- B. Increase the number of turn
- C. Increase the magnetic field
- D. Increase the value of constant C
|
| 5 |
To convert a galvanometer into a volt meter a high resistance is connected. |
- A. In series
- B. In parallel
- C. In perpendicular
- D. Along tangent
|
| 6 |
Energy stored per uint volume inside a solenoid is called as |
- A. energy density
- B. Electric flux
- C. Work
- D. Volume charge density
|
| 7 |
A battery is used in |
- A. ohmmeter
- B. Ammeter
- C. Galvanometer
- D. Voltemeter
|
| 8 |
The unit of magnetic induction is: |
- A. Tesla
- B. Weber
- C. Weber metre
- D. NAm<sup>-1</sup>
|
| 9 |
A charged particle having charge 'q' is moving at right angle to magnetic field. The quantity which varies is. |
- A. Speed
- B. Kinetic energy
- C. Path of motion
- D. angular velocity
|
| 10 |
Magnetic lines of force are. |
- A. Imaginary
- B. Real
- C. Perpendicular
- D. In phase with electric lines of force
|