The number of electrons passes through 20 ohms resistor in 10 minutes is 5.625e+21.
<h3>What is a resistor?</h3>
In an electronic circuit, a resistor is an electrical component that limits or regulates the flow of electrical current.
Given, the resistance is 20 ohms.
The potential difference is 30 volts
Time is 10 minute
By the formula of current
The charge flowing through the resistor is 1.5 C/s
1 electron charge is 1.6e+19
Now, the number of electrons passing through a 20 ohms resistor is
In 10 minutes
Thus, the number of electrons passes through 20 ohms resistor in 10 minutes is 5.625e+21.
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Force Causes movement of an object, whereas Power is the work done on an object in a given amount of time.
<h3>What is Force?</h3>
In science, force is defined as the push or pull on an object that has mass which causes it to move (to accelerate).
The SI unit of force is newton, N. and its given as
Force(F)= mass × acceleration
Example of forces include
- Gravitational force
- Electric force
- Magnetic force
- Nuclear force
- Frictional force
<h3>What is Power?</h3>
Power is the rate at which work is being done on an object. It is also the rate at which energy is transferred from one place to another.
Power is the amount of work completed or energy released per unit time.
The SI unit for power is the watt (W), and is given as
Power = Work / time
P = W / t
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The event which happens at the end of the story of Thank You Ma'am is:
- <u>C. Roger leaves and never sees Mrs. Jones again.</u>
The novel is titled Thank You Ma'am and written by Langston Hughes details the interaction which a young thief has with a wealthy woman and how her response to finding out he was a thief was different to what was expected.
After Mrs Jones discovers that Roger steals from her, she does not report him to the police, rather she takes him to her house!
She treats him kindly and trusts him, which shows another side of Roger which is that he is a kind hearted person who would do good if he is properly taken care of.
However, the end of the story shows Mrs Jones telling Roger goodnight and in the end they never see each other again, but Roger has learnt a very valuable lesson.
Therefore, the correct answer is option C
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If economics deals with personal finance or how you spend, save and invest our money then it deals with public goods, defence goods or luxury goods.
Given that economics also deals with personal finance, or how you spend, save, and invest your money.
We are required to tell on which the things the money could be spent.
Money can be spend on purchasing:
- Public goods,
- Defense goods,
- luxury goods.
Public goods are those goods which are necessary goods for the survival of people.
Defense goods are those goods which a government uses in order to protect the public.
Luxury goods are those goods which are not necessary for the survival but shows personality,etc.
Hence if economics deals with personal finance or how you spend, save and invest our money then it deals with public goods, defence goods or luxury goods.
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