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Probability is one of the most important GMAT Quant topics because it often combines logic, counting, set theory, and permutations & combinations. Many students try to solve probability questions by listing every possible case, but GMAT probability...
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Question 1
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
64% (02:11) correct
36%
(02:29) wrong
based on 129
sessions
History
Date
Time
Result
Not Attempted Yet
Question 2
E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
88% (00:22) correct 12%
(00:40) wrong
based on 110
sessions
History
Date
Time
Result
Not Attempted Yet
Question 3
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
93% (00:34) correct 7%
(00:52) wrong
based on 125
sessions
History
Date
Time
Result
Not Attempted Yet
Question 4
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
94% (00:39) correct 6%
(00:51) wrong
based on 125
sessions
History
Date
Time
Result
Not Attempted Yet
Question 5
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
80% (00:43) correct 20%
(01:00) wrong
based on 124
sessions
History
Date
Time
Result
Not Attempted Yet
A Revolution in Electrical Engineering Superconductivity is a phenomenon observed in certain materials that allows them to conduct electricity without any resistance. It occurs when the material is cooled below a critical temperature, at which point it enters a state called a superconductive state. Superconductivity has the potential to revolutionize electrical engineering, as it allows for the creation of highly efficient power transmission and storage systems.
One of the main applications of superconductivity is in magnetic levitation, where the repulsion between the magnetic fields of two superconductors causes them to levitate. This has led to the development of superconducting maglev trains, which can travel at speeds of up to 600 km/h, making them the fastest trains in the world.
Another application of superconductivity is in power transmission, where it allows for the creation of highly efficient power grids that can transport electricity over long distances without significant energy losses. This is because superconductors can conduct electricity without any resistance, which means that the energy is not lost as heat. This has the potential to greatly reduce the environmental impact of power generation, as it allows for the use of renewable energy sources such as wind and solar power on a large scale.
Despite its potential, the use of superconductivity is still limited by the high cost of cooling the materials to their critical temperature, which often requires the use of liquid helium. However, research is ongoing to develop new materials that exhibit superconductivity at higher temperatures, which would greatly reduce the cost and increase the practicality of using superconductivity in a wider range of applications. Overall, superconductivity is a promising technology that has the potential to revolutionize electrical engineering and greatly reduce the environmental impact of power generation.
One of the main applications of superconductivity is in magnetic levitation, where the repulsion between the magnetic fields of two superconductors causes them to levitate. This has led to the development of superconducting maglev trains, which can travel at speeds of up to 600 km/h, making them the fastest trains in the world.
Another application of superconductivity is in power transmission, where it allows for the creation of highly efficient power grids that can transport electricity over long distances without significant energy losses. This is because superconductors can conduct electricity without any resistance, which means that the energy is not lost as heat. This has the potential to greatly reduce the environmental impact of power generation, as it allows for the use of renewable energy sources such as wind and solar power on a large scale.
Despite its potential, the use of superconductivity is still limited by the high cost of cooling the materials to their critical temperature, which often requires the use of liquid helium. However, research is ongoing to develop new materials that exhibit superconductivity at higher temperatures, which would greatly reduce the cost and increase the practicality of using superconductivity in a wider range of applications. Overall, superconductivity is a promising technology that has the potential to revolutionize electrical engineering and greatly reduce the environmental impact of power generation.
1. What is the main purpose of the passage?
A. To provide an overview of the history of superconductor research.
B. To argue that superconductivity is the only viable solution to the environmental impact of power generation.
C. To describe the various applications of superconductivity in transportation and power generation.
D. To provide an in-depth analysis of the technical aspects of superconductor materials.
E. To evaluate the cost-benefit analysis of using superconductivity in various applications.
A. To provide an overview of the history of superconductor research.
B. To argue that superconductivity is the only viable solution to the environmental impact of power generation.
C. To describe the various applications of superconductivity in transportation and power generation.
D. To provide an in-depth analysis of the technical aspects of superconductor materials.
E. To evaluate the cost-benefit analysis of using superconductivity in various applications.
2. Which of the following best describes the main topic of the passage?
A. The potential of superconductivity to revolutionize transportation
B. The history of superconductivity research
C. The environmental impact of power generation
D. The limitations of renewable energy sources
E. The applications of superconductivity in electrical engineering
A. The potential of superconductivity to revolutionize transportation
B. The history of superconductivity research
C. The environmental impact of power generation
D. The limitations of renewable energy sources
E. The applications of superconductivity in electrical engineering
3. According to the passage, which of the following is true about superconductivity?
A. It only occurs at extremely high temperatures.
B. It can be used to generate power from fossil fuels.
C. It has no practical applications in transportation.
D. It allows for the creation of highly efficient power grids.
E. It is not affected by the magnetic fields of other materials.
A. It only occurs at extremely high temperatures.
B. It can be used to generate power from fossil fuels.
C. It has no practical applications in transportation.
D. It allows for the creation of highly efficient power grids.
E. It is not affected by the magnetic fields of other materials.
4. Which of the following statements would the author most likely agree with?
A. Superconductivity will never be practical for widespread use due to its high cost.
B. Superconductivity is the only viable solution to the environmental impact of power generation.
C. The potential of superconductivity in transportation is greater than its potential in power transmission.
D. The development of new materials exhibiting superconductivity at higher temperatures is important for expanding its use.
E. Superconductivity is not as important for renewable energy sources as it is for traditional power generation.
A. Superconductivity will never be practical for widespread use due to its high cost.
B. Superconductivity is the only viable solution to the environmental impact of power generation.
C. The potential of superconductivity in transportation is greater than its potential in power transmission.
D. The development of new materials exhibiting superconductivity at higher temperatures is important for expanding its use.
E. Superconductivity is not as important for renewable energy sources as it is for traditional power generation.
5. What is the main application of superconductivity in transportation, as described in the passage?
A. It allows for the creation of highly efficient power grids.
B. It reduces the energy lost in power transmission over long distances.
C. It can be used to generate power from renewable energy sources.
D. It allows for the creation of superconducting maglev trains that can travel at high speeds.
E. It reduces the environmental impact of traditional transportation methods.
A. It allows for the creation of highly efficient power grids.
B. It reduces the energy lost in power transmission over long distances.
C. It can be used to generate power from renewable energy sources.
D. It allows for the creation of superconducting maglev trains that can travel at high speeds.
E. It reduces the environmental impact of traditional transportation methods.
RC Butler 2023 - Practice Two RC Passages Everyday.
Passage # 185 Date: 09-Jun-2023
This question is part of RC Butler 2023. Click here for Details
Passage # 185 Date: 09-Jun-2023
This question is part of RC Butler 2023. Click here for Details
20 Jun 2023, 12:20
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Ruchi007
Updated! Answer to question #2 is: E
Cheers
