|
 | Where can we buy electrics bulbs? | |
|
| We can buy electrics bulbs in hardware store. | |
|
|
|
|
|
|
| How many type of electric bulb exist now and what are those? | |
|
| We have four type of electric bulb: the halogen, the compact fluorescent bulbs, the led's and the incandescent's | |
|
|
|
|
|
|
| How do you calculate the power of the light in the electric bulb? | |
|
| We calculate the power of the light with the watt. | |
|
|
|
|
|
