Difference between revisions of "Translations:Power factor/12/en"
Jump to navigation
Jump to search
(Importing a new version from external source) |
(Importing a new version from external source) |
||
Line 1: | Line 1: | ||
:'''Example 2:''' A 20 W laptop is operating on a 120 V AC circuit. You measure the current and get .3 A. What is the power factor for this laptop? | :'''Example 2:''' A 20 W laptop is operating on a 120 V AC circuit. You measure the current and get .3 A. What is the power factor for this laptop? | ||
:*Power factor = 20 W ÷ (120 V × .3 A) = .5 | :*Power factor = 20 W ÷ (120 V × .3 A) = .5 | ||
− | :*20 W is consumed by the load | + | :*20 W is consumed by the load. The rest is reactive power that returns to the source. |
Latest revision as of 13:59, 23 March 2021
- Example 2: A 20 W laptop is operating on a 120 V AC circuit. You measure the current and get .3 A. What is the power factor for this laptop?
- Power factor = 20 W ÷ (120 V × .3 A) = .5
- 20 W is consumed by the load. The rest is reactive power that returns to the source.