| 1 |
the current which flows from a point at higher. potential to point at lower potential is called. |
- A. Electric current
- B. Conventional current
- C. Either of these
- D. None of above
|
| 2 |
Specific resistance of a material depends upon. |
- A. Length
- B. Area
- C. Temperature
- D. Both A and B
|
| 3 |
Which one of the following bulbs has the least resistance. |
- A. 100 W
- B. 200 W
- C. 500 W
- D. 1000 W
|
| 4 |
Semiconductor diodes are called: |
- A. Ohmic
- B. non ohmic
- C. Both a & b
- D. none of above
|
| 5 |
Terminal potential difference is greater than emf of the cell when |
- A. Circuit is open
- B. Circuit is closed
- C. small battery is charged by bigger battery
- D. None of these
|
| 6 |
A charged conductor has charge on its. |
- A. Inner surface
- B. Outer surface
- C. Middle surface
- D. Surrounding space
|
| 7 |
The potential difference between the head and tail of an electrical to |
- A. 600 Volt
- B. 700 Volt
- C. 800 Volt
- D. 900 Volt
|
| 8 |
If a charge Q flows through any cross section of the conductor in time t, the current I is |
- A. I=Qt
- B. I= Q/t
- C. I= Q*t
- D. I= Q-t
|
| 9 |
The thermistors convert changes of temperature into. |
- A. Light energy
- B. Electric voltage
- C. Heat
- D. Sound
|
| 10 |
The vessel containing the tow electrodes and liquid to known as. |
- A. Chemical cell
- B. Volt cell
- C. Volta cell
- D. Volta meter
|