| 1 |
A photon while passing thorugh a magnetic field are deflected towards: |
- A. North pole
- B. South pole
- C. Are ionized
- D. None of these
|
| 2 |
The permeability of free space is measured in |
- A. wb A/m
- B. Am/wb
- C. wb/Am
- D. m/wbA
|
| 3 |
When a charge is projected perpendicular to a uniform magnetic field, tis path is |
- A. Spiral
- B. Helix
- C. Ellipse
- D. Circular
|
| 4 |
In order to increase sensitivity of galvanometer the value of C may be |
- A. Increase
- B. Decrease
- C. Neither increase nor decrease
- D. Remain same
|
| 5 |
If the length of solenoid is doubled but N same, B inside the solenoid becomes. |
- A. Half
- B. Doubled
- C. One fourth
- D. Four times
|
| 6 |
The acceleration of an electron of mass m and charge e, moving with uniform speed v at right angles to a magnetic field of flux density B, is given by |
|
| 7 |
In CRO, the output waveform of time base generator is |
- A. Circular
- B. Square
- C. Sinusoidal
- D. Saw-toothed
|
| 8 |
The Weber is unit of measure of: |
- A. Conductance
- B. Electric current
- C. Magnitic flux
- D. Electric flux
|
| 9 |
The SI unit of flux density is. |
- A. NA-1 m2
- B. NA-1 m-1
- C. NAm-1
- D. NA-1 m
|
| 10 |
Ampere's law is applicable to: |
- A. Circular path
- B. Rectangular path
- C. To any closed path
- D. Nonwe of these
|