| 1 |
On ampere is equal to. |
- A. 100 mA
- B. 10 mA
- C. 1000 mA
- D. 10000 mA
|
| 2 |
A close circuit is the. |
- A. Complete path of electric current
- B. Incomlete path of electric current
- C. Broken path of electric current
- D. None of the above
|
| 3 |
A microphone converts mechanical wave energy into. |
- A. Video signals
- B. Ausio and video signals
- C. Audio signals
- D. None of these
|
| 4 |
The SI unit of voltage is. |
- A. Watt
- B. Joule
- C. Coulomb
- D. Volt
|
| 5 |
An electric current in a conductor is ude to the flow of. |
- A. Positive ions
- B. Negative ions
- C. Positive charge
- D. Free electrons
|
| 6 |
The best material to be used as a core in the coils for making electromagnet is. |
- A. Rubber
- B. Plastic
- C. Soft Iron
- D. Steel
|
| 7 |
The unit of electric power is |
- A. Ampere
- B. Joule
- C. Volt
- D. Watt
|
| 8 |
An electric circuit is the path along whihc. |
- A. Electron revolve around the nucleus of an atom
- B. Electric charge flows.
- C. Magnetic lines of force move
- D. Electric motors move
|
| 9 |
Who was the first whihc explore the electromagnetic effect. |
- A. Micheal faraday
- B. George Simon Ohm
- C. Coulomb
- D. Hans Oested
|
| 10 |
One milli ampere is equal to. |
- A. 100 micro Ampire
- B. 1000 micro Ampire
- C. 10 micro Ampire
- D. 1 micro Ampire
|
