| 1 |
In current carrying long solenoid the magnetic field produced does note depend upon |
- A. The radius of solenoid
- B. Number of turns per unit length
- C. Current flowing through solenoid
- D. All of above
|
| 2 |
NIBA = |
- A. cθ
- B. θ/c
- C. c<sup>2</sup>θ
- D. c<sup>2</sup>/θ
|
| 3 |
An ammeter is an electrical instrument which is used to measure. |
- A. Voltage
- B. Current
- C. Resistance
- D. None
|
| 4 |
For a current carrying solenoid the term 'n' has unit as. |
- A. No unit
- B. m<sup>-1</sup>
- C. m<sup>-2</sup>
- D. m-3
|
| 5 |
The Weber is unit of measure of: |
- A. Conductance
- B. Electric current
- C. Magnitic flux
- D. Electric flux
|
| 6 |
If current flowing through a solenoid becomes four times, then magnetic field inside becomes. |
- A. two times
- B. three times
- C. four times
- D. Half
|
| 7 |
A current carrying conductor experience maximum magnetic force in a uniform magnetic field when it is placed. |
- A. Perpendicular to field
- B. Parallel to field
- C. At an angle of 60 <sup>o</sup> to the field
- D. None of these
|
| 8 |
The sensitivity of Galvanometer can be increased by: |
- A. Increasing C/BAN factor
- B. Decreasing C/BAN factor
- C. Increasing angle θ
- D. All of above
|
| 9 |
The galvanometer can be made sensitive by making the factor BAN/C |
- A. Large
- B. Small
- C. Constant
- D. Zero
|
| 10 |
The SI unit of flux density is. |
- A. NA-1 m2
- B. NA-1 m-1
- C. NAm-1
- D. NA-1 m
|