| 1 |
For ohmic device the graph between V and I is. |
- A. A straight line
- B. Curve
- C. Hyperbola
- D. Parabola
|
| 2 |
In gas the charge carriers are: |
- A. Electrons
- B. Ions
- C. Both a & b
- D. None of above
|
| 3 |
The unit of resistance is: |
- A. Ω
- B. Ωm
- C. Ω<sup>-1</sup>m<sup>-1</sup>
- D. Ωm<sup>-1</sup>
|
| 4 |
Three resistors of resistance R each are combined in various ways, Which of the following cannot be obtained? |
- A. 3 RΩ
- B. 2R /4Ω
- C. R/3Ω
- D. 2R /3Ω
|
| 5 |
The color code of "Green" |
|
| 6 |
The condition for the wheatstone bridge to be balanced is given by |
- A.
- B.
- C.
- D. None of above
|
| 7 |
During electrolysis process, density of CuSO<sub>4</sub> solution |
- A. Remains constant
- B. Decreased
- C. Increased
- D. None of these
|
| 8 |
When a wire is stretched and its radius becomes r/2, then its resistance will be |
- A. 16 R
- B. 4 R
- C. 2R
- D. 0
|
| 9 |
By increasing the temperature of conductor, the flow rate of charges. |
- A. Increase
- B. Remains constant
- C. Decreases
- D. Changes exponentially
|
| 10 |
One ohm is equal to |
- A. VC-1
- B. CV-1
- C. AC-1
- D. VA<sup>-1</sup>
|