26grimesj 26grimesj

21-04-2021
Engineering

contestada

i need help with this question ill give Brainliest The device is connected to 230V and draws 3.5A current. Power consumption is 1932kJ. How many minutes has this device been in operation?

Respuesta :

mariammashhour50 mariammashhour50

22-04-2021

Answer:

U=230 V

I=3.5 A

W=1932 kJ→ J=1932⋅ 1000 J=1932000 J

P=U⋅ I=230⋅ 3.5=805 W

W=Pt

t

1

=W/P=1932000/805=2400 s

t=t

1

→ min=t

1

/60 min=2400/60

min=40 min

Answer Link

Otras preguntas

Dr. Guillermo Wayne, a well-known oncologist, telephones you seeking a bit of information about a patient that your office recently treated. Is it okay to revea

Anthony Bourdain criticizes fast food for its lack of authenticity and connection to local culture. How does he believe this impacts our relationship with food?

In the sentences below, please find one instance where a count noun in its plural form is used - if there is one. “Although, in truth, nothing was the same. S

M81 distance calculation: The period-luminosity relation shows that absolute magnitudes of 20-day classical Cepheids is M= -5. M81’s 20-day classical Cepheid ap

The denominator of a rational number is greater than its numerator by 7. If the numerator is increased by 17 and the denominator is decreased by 6, the new numb

2b- 3 / 3 - 2B - 5 / 4

0. Tymon wants to paint a feature wall in his office in a deluxe red paint. The paint he wants is available in five-litre tins, each of which cover six square

write an inequality thta matches the number line model.

The function f is defined as f:x —> 6x/x-2, x≠2 Find: (i) f² (ii) f-1

how do you put this in a langudge comprehensive to lay man 1.3 Research questions: • How did the COVID-19 pandemic impact on McDonald's financial performance? •