| 1 |
The potential difference between tow paints in a circuit is measured by: |
- A. Galvanometer
- B. Ammeter
- C. Voltmeter
- D. Multi - meter
|
| 2 |
A device that decreases or increases the A.C voltage: |
- A. Transformer
- B. Ammeter
- C. Voltmeter
- D. Fuse
|
| 3 |
A,C electric supply at homes: |
- A. 240 volt
- B. 50 volt
- C. 220 volt
- D. 1000 volt
|
| 4 |
The energy produced by the breakdown of chemical bond between atoms: |
- A. Light energy
- B. chemical energy
- C. electrical energy
- D. kinetic energy
|
| 5 |
The constant in Ohm's law is. |
- A. Current
- B. Resistance
- C. Potential difference
- D. Charge
|
| 6 |
Voltmeter is used to. |
- A. Measure current
- B. Measure potential difference
- C. Measure voltage
- D. Both a and b
|
| 7 |
A device which does not allow current to pass through it overt a certain limit: |
- A. Switch
- B. circuit breaker
- C. Resistor
- D. Fuse
|
| 8 |
1 m A is equal to. |
- A. 10<sup>-3 </sup>A
- B. 10<sup>-6 </sup>A
- C. 10<sup>-2</sup> A
- D. 10<sup>-8 </sup>A
|
| 9 |
The unit of current in System International is. |
- A. Ampere
- B. Volt
- C. Ohm
- D. Newton
|
| 10 |
Which of the following is an neutral particle? |
- A. Electron
- B. Proton
- C. Neutron
- D. Alpha particle
|
