1 |
Ampere second stands for the unit of. |
- A. Charge
- B. emf
- C. energy
- D. Power
|
2 |
Resistivity at a given temperature depends upon. |
- A. Area of cross section
- B. Length
- C. Nature of material of conductor
- D. Both length and area
|
3 |
In carbon resistors, then value of Blue colour is. |
|
4 |
e.m.f is the conversion of --------------- energy into electrical energy |
- A. Chemical
- B. Solar
- C. Light
- D. None of these
|
5 |
Resistance tolerance of silver band is. |
|
6 |
Drift velocity of electrons is. |
- A. 10<sup>-1</sup> m/s
- B. 10<sup>-2</sup> m/s
- C. 10<sup>-3</sup> m/s
- D. 10<sup>3</sup> m/s
|
7 |
In gas the charge carriers are: |
- A. Electrons
- B. Ions
- C. Both a & b
- D. None of above
|
8 |
The value of maximum output power is? |
- A. E/4R
- B. E<sup>2</sup>/4R
- C. E/4R<sup>2</sup>
- D. Non of above
|
9 |
When a wire of length 'l' and resistance R is cut into two equal parts then resistivity of each part. |
- A. is doubled
- B. Remains the same
- C. Is halved
- D. Is one fourth
|
10 |
106 electrons are moving through a wire per second the current developed is: |
- A. 1.6 x 10-19 A
- B. 1 A
- C. 1.6 x 10-13A
- D. 106 A
|