paizroberto15 paizroberto15

01-06-2021
Physics

contestada

A TV has a power of 65 watts and an efficiency of 70 percent. How much
power is wasted as heat?
A. 19.5 W
B. 2.2 W
C. 0.9 W
D. 45.5 W

Respuesta :

01-06-2021

Option A: 19.5 W

Power of TV = 65Watt

If Efficiency = 70%, then the percentage of energy wasted is 30%

So, the amount of energy getting wasted:

= 30/100 × 65

= 1950/100

= 195/10

= 19.5 W

Answer Link

Otras preguntas

literary images are enhanced by the use of _______ language.

Which of the following writers did not come from Ireland? a) W. B. Yeats b) James Joyce c) Seamus Heaney d) Oscar Wilde e) none of the above; all came from

what is the term for the condition where red blood shrivels?

How did professors feelings about black well as a student change over time?

Rmshot bought a 3.5oz chocolate bar.within 15minutes he had eaten 0.6 of the bar. How many ounces did he eat?

type the requested verb form of this verb. future progressive tense: soar

What is the main difference between the right side and left side of the heart?

what kind of symbiotic relationship is showm between Dori and Marlin

what kind of symbiotic relationship is showm between Dori and Marlin

Why did immigrants tend to group together in cities?