PLS CHECK IF MY ANSWER IS CORRECT! 40 POINTS!
Question:
A circuit (picture attached) is shown. If Light Bulb A is removed, what would happen to the brightness of the other light bulbs (B, C, D)? Assume the resistance of each resistor to be R, and the total voltage to be V.
My answer:
The total resistance before A was removed:
[tex] R_t = (\frac{1}{ (\frac{1}{R})+ (\frac{1}{R}) + (\frac{1}{R }) })+R = \frac{4}{3}R [/tex]
The total resistance after A was removed:
[tex] R_t = (\frac{1}{ (\frac{1}{R})+ (\frac{1}{R}) + (\frac{1}{R }) }) = \frac{1}{3}R [/tex]
Total Current before A was removed:
[tex]I = \frac{V}{R} = \frac{V}{ \frac{4}{3} R} = \frac{3V}{4R} [/tex]
Total Current after A was removed:
[tex]I = \frac{V}{R} = \frac{V}{ \frac{1}{3} R} = \frac{3V}{R}[/tex]
Current of Light Bulb B before A was removed (and C & D because they have same R and V as B):
[tex]V = V - ( \frac{3V}{4R}*R) = V - ( \frac{3V}{4} ) = \frac{1}{4} V[/tex]
[tex]I_B = \frac{V}{R} = \frac{V}{4R} [/tex]
Current of Light Bulb B after A was removed (and C & D because they have same R and V as B):
[tex]V = IR = V - (\frac{3V}R} *R) = V - 3V = -2V[/tex]
[tex]I_B = \frac{V}{R} = \frac{-2V}{R} [/tex]
So, since [tex] \frac{-2V}{R} \ \textless \ \frac{V}{4R} [/tex], the brightness of B, C, and D decreases because the current of all of them decrease.
If a hexagon has a side length of 10 what is the area of the hexagon?
The student choir is having a concert this Saturday. Tickets are $7 each, and the concert hall has 648 seats. How much money will the choir collect if they sell tickets for all the seats?
$4,286
$4,436
$4,536
$4,646
Anybody have the answer to this?
True or false some job skills are used for success in many careers
The graph shows the population of the United States in 2011.
Population of the United State (2011)
What percentage of the population are eligible voters and over the age of 24?
one-fourth
one-third
one-half
two-thirds
Which of the following statements best explains how the Hubble Space Telescope has made outer space exploration easier?
A. It has provided clear and accurate pictures.
B. Its high-gain antenna produces magnetic fields.
C. Its magnetometer sends data back to Earth very fast.
D. Its photopolarimeter measures the charged particles of solar winds.
The answer is A. It provided clear and accurate pictures.
The answer is it provided clear and accurate pictures.
Explanation:
"In its first ten years of service, the Hubble Space Telescope has provided more than 330,000 pictures of over 25,000 celestial objects. These images are exceptionally clear, in part because the telescope can be pointed in one direction of the universe in an extremely accurate and stable manner."
You are driving on a dry road, and it begins to rain. You should
Answer:
During the time of rain or heavy rainfall, a person driving a car must reduce his speed and should drive at a speed in which he could control the car in the slippery road.
He/she should also switch on the wiper, which helps in cleaning the front glass of the car. This continuous motion of the wiper on the glass helps the driver to observe the road while driving.
One must also be aware of the pits that are present on the road in order to avoid inconveniency during driving.
The blue lobster is a rare form that results from the overproduction of a certain protein, resulting in genetic variations in lobster coloring. What is the best explanation for how this rare variety arose?
Answer: Genetic mutation
Explanation:
There are a total of 64 students in a drama club and a yearbook club. The drama club has 10 more students than the yearbook club.
a. Write a system of linear equations that represents this situation. Let xx represent the number of students in the drama club and yy represent the number of students in the yearbook club.System of equations: x=x= x+x+ y=64
__________ psychologists study how evolution may influence animal and human behavior.
Answer:
EVOLUTIONARY
this is the only thing that I know
Psychodynamic psychologists study human behavior by exploring the unconscious mind and the impact of past experiences on current behavior.
Who is a psychodynamic psychologist?Psychodynamic psychology is a theoretical approach to understanding human behavior and personality that is based on the idea that behavior is shaped by unconscious mental processes and childhood experiences.
They may use various techniques to gain insight into a person's thoughts, feelings, and behaviors, such as free association, dream analysis, and transference. Some psychologist are primarily interested in animal behavior; others want to better understand the physiological and psychological shared by humans and other species.
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If the grasses on a 100-hectare area of grassland grow at an average rate of 1 cm/day, the average volume of grass that is added to the grassland each day is _____m3. If the density of the grasses that grow in the grassland average 400 kg/m3, the NPP is approximately ______ g/m2/day or ______ g/m2/year
Why is entering the correct codes important for patient billing? Give an example of when the incorrect code might be entered and the consequences.
A rejected claim has been disallowed for the reason that of errors. An insurance company might disregard a claim for the reason that a medical billing specialist erroneously input patient or cover information. Once a medical billing professional amends the mistakes on a disallowed claim they can pass it again for dispensation with an insurance company.
discuss how gender inequality in relationships could contribute to teenage pregnancy
During the follow-up period, young women's opinions regarding the nature of relationships enhanced the risk of an incident pregnancy.
Gender inequality:In a relationship, gender inequality indicates that one partner is dominating and the other is subordinate, especially when it comes to decision-making.
It may lead to wrong decision because the dominating or superior person in the relationship may take advantage of the other person and push the other person to do things against his or her will.
Find our more information about 'Gender inequality':
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In the early 1970s _____ first used the term "information skills"
Answer:
Paul Zurkowski
Explanation:
Paul Zurkowski was the person that created the term information skills in 1974. He used the term for the first time in a document presented to the US National Commission on Libraries and Information Science to refer to techniques that are learned by information literates when they find information solutions to problems by using information resources. According to this, the answer is that in the early 1970s, Paul Zurkowski first used the term "information skills".
OSHA requires that _____.
Identify one difference in the way elites used art or architecture in europe and in asia during the period 1450-1750
I am not 100% sure about the answer, but art and architecture patronage in Renaissance Europe targeted both newly emerged merchants, bourgeois, as well as wealth middle class and royals. Art patronage in Asia more focused on absolute monarchy and displayed their authority and might
Wendell is a great surfer, but he never considers surfing as a career. Instead he goes into accounting, for which he has no real passion. Wendell is exhibiting
find the derivative
[tex]y = ln \sqrt{3x} [/tex]
True or False
All tectonic plates are the same.
The measure of the way in which quantity supplied responds to a change in price is?
Which of the following best describes the development of social thought during the period?
Question options:
Rise in Enlightenment philosophies led to liberalism among the masses, while those in power clung to traditional conservative beliefs
Rise in Enlightenment philosophies led to conservatism among the masses, while many clung to socialist beliefs
European monarchs began to practice liberalism, while their subjects embraced socialism
European monarchs outlawed conservatism, while themselves practicing socialism
AP American government and politics
who is a good person to ask for advice to keep you motivated to do your homework?
a)guidance counselor
b)church pastor
c)social worker
d)volunteer coordinator
A good person to ask for advice to keep you motivated to do your homework is a guidance counsellor. Thus, the correct answer is option A.
Who is a guidance counselor?A guidance counsellor is a professional who works in schools or other educational settings to advise students on academics, relationships, and careers. They assist their students in assessing their potential skills in order to help them develop their self-esteem and succeed in their future activities.
Guidance counsellors focused on career counselling. School counsellors place a premium on students' academic, professional, social, and emotional development. Guidance counsellors worked independently within schools. School counsellors work with teachers, parents, administrators, outside counselling organisations, and other stakeholders. They can help students recognise and develop certain abilities and interests.
Therefore, guidance counselor is a good person to ask for advice to keep you motivated to do your homework.
To learn more about Guidance counselors, click here:
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Why did Germany and Japan criticize Coca-Cola during WWII?
How do scientists know that dark matter exists? A. Clusters that cannibalize each other B. Nuclear Bulges C. Redshifts D. Gravitational lensing.
not the best pic but anyone know?
Below is a summary of the educational degrees of four applicants to a hospital. The hospital is looking for a Radiologist, an Orderly, and a Biomedical Engineer.
Summary of Degrees for Applicants Applying to Hospital Careers
Applicant 1
High school diploma, bachelor's degree
Applicant 2
High school diploma, bachelor's degree, master's degree
Applicant 3
High school diploma
Applicant 4
High school diploma, bachelor's degree, doctorate degree
Which applicants would be best qualified for the jobs based on educational level?
Applicant 2 is qualified to be a Radiologist, applicant 1 is qualified to be an Orderly, and applicants 2, 3, and 4 are qualified to be Biomedical Engineers.
Applicant 3 is qualified to be a Radiologist, applicant 2 is qualified to be an Orderly, and applicants 1 and 4 are qualified to be Biomedical Engineers.
Applicant 1 is qualified to be a Radiologist, applicant 4 is qualified to be an Orderly, and applicants 2 and 3 are qualified to be Biomedical Engineers.
Applicant 4 is qualified to be a Radiologist, applicant 3 is qualified to be an Orderly, and applicants 1, 2, and 4 are qualified to be Biomedical Engineers.
can someone solve this puzzle for me
Anybody have the answer