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2 years ago

What is the definition of a duty cycle?

Engineering

1 answer:

ira [324]2 years ago

5 0

Answer:

$D=\frac{PW}{T}*100$

Explanation:

In electrical terms, is the ratio of time in which a load or circuit is ON compared to the time in which the load or circuit is OFF.

The duty cycle or power cycle, is expressed as a percentage of the activation time. For example, a 70% duty cycle is a signal that 70% of the time is activated and the other 30% disabled. Its equation can be expressed as:

$D=\frac{PW}{T}*100$

Where:

$D=Duty\hspace{3}Cycle$

$PW=Pulse\hspace{3}Active\hspace{3}Time$

$T=Period\hspace{3}of\hspace{3}the\hspace{3}Signal$

Here is a picture that will help you understand these concepts.

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amm1812

Answer:

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Write a Nested While Loop that will increment the '*' from 1 to 10.

andrey2020 [161]

Answer:

The program is as follows:

i = 1

while(i<11):

j = 1

while(j<=i):

print('*', end = '')

j += 1

i += 1

print()

Explanation:

Initialize i to 1

i = 1

The outer loop is repeated as long as i is less than 11

while(i<11):

Initialize j to 1

j = 1

The inner loop is repeated as long as j is less than or equal i

while(j<=i):

This prints a *

print('*', end = '')

This increments j and ends the inner loop

j += 1

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i += 1

This prints a blank and ends the inner loop

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2 years ago

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navik [9.2K]

Answer:

Answer for the question:

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is explained in the attachment.

Explanation:

Download pdf

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2 years ago

A power plant operates on a regenerative vapor power cycle with one open feedwater heater. Steam enters the first turbine stage

faltersainse [42]

Answer:

a) 0.489

b) 54.42 kg/s

c) 247.36 kW/s

Explanation:

Note that all the initial enthalpy and entropy values were gotten from the tables.

See the attachment for calculations

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3 years ago