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Consider a region inside which, there are various types of charges but the total charge is zero. At points outside the region
- a)the electric field is necessarily zero.
- b)the electric field is due to the dipole moment of the charge distribution only.
- c)the dominant electric field is inversely proportional to r3, for large r (distance from origin).
- d)the work done to move a charged particle along a closed path, away from the region will not be zero.
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Consider a region inside which, there are various types of charges but...
When there are various types of charges in a region, but the total charge is zero, the region can be supposed to contain a number of electric dipoles. Therefore, at points outside the region, the dominant electric field ∝ (1/r3) for large r.
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Consider a region inside which, there are various types of charges but...
Understanding the Electric Field Outside a Charge Distribution
When analyzing the electric field in a region with a net charge of zero, it's essential to consider the implications for points outside this region.
Electric Field Characteristics
- The presence of various types of charges with a total charge of zero means that the electric field behavior outside the region is influenced significantly by the arrangement of these charges.
Option Analysis
- Option A: The electric field is necessarily zero.
- This is incorrect because while the total charge is zero, the individual charges can still create an electric field that is not zero at points outside the region.
- Option B: The electric field is due to the dipole moment of the charge distribution only.
- This is misleading as there can be higher-order multipole contributions (like quadrupoles) that affect the electric field, not just the dipole.
- Option C: The dominant electric field is inversely proportional to r^3, for large r (distance from origin).
- Correct. For a system with no net charge, the electric field falls off as 1/r^3, which is characteristic of a dipole field. This means that as you move further away from the charge distribution, the influence of individual charges diminishes but does not vanish completely.
- Option D: The work done to move a charged particle along a closed path, away from the region will not be zero.
- This is incorrect. In electrostatics, if you are moving in a closed path in a conservative field (which is typical when considering electric fields due to static charges), the work done is indeed zero.
Conclusion
Thus, option C accurately describes the behavior of the electric field outside a neutral charge distribution, highlighting its dependency on distance and the nature of the charge configuration.
When analyzing the electric field in a region with a net charge of zero, it's essential to consider the implications for points outside this region.
Electric Field Characteristics
- The presence of various types of charges with a total charge of zero means that the electric field behavior outside the region is influenced significantly by the arrangement of these charges.
Option Analysis
- Option A: The electric field is necessarily zero.
- This is incorrect because while the total charge is zero, the individual charges can still create an electric field that is not zero at points outside the region.
- Option B: The electric field is due to the dipole moment of the charge distribution only.
- This is misleading as there can be higher-order multipole contributions (like quadrupoles) that affect the electric field, not just the dipole.
- Option C: The dominant electric field is inversely proportional to r^3, for large r (distance from origin).
- Correct. For a system with no net charge, the electric field falls off as 1/r^3, which is characteristic of a dipole field. This means that as you move further away from the charge distribution, the influence of individual charges diminishes but does not vanish completely.
- Option D: The work done to move a charged particle along a closed path, away from the region will not be zero.
- This is incorrect. In electrostatics, if you are moving in a closed path in a conservative field (which is typical when considering electric fields due to static charges), the work done is indeed zero.
Conclusion
Thus, option C accurately describes the behavior of the electric field outside a neutral charge distribution, highlighting its dependency on distance and the nature of the charge configuration.
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Consider a region inside which, there are various types of charges but the total charge is zero. At points outside the regiona)the electric field is necessarily zero.b)the electric field is due to the dipole moment of the charge distribution only.c)the dominant electric field is inversely proportional to r3, for large r (distance from origin).d)the work done to move a charged particle along a closed path, away from the region will not be zero.Correct answer is option 'C'. Can you explain this answer?
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Consider a region inside which, there are various types of charges but the total charge is zero. At points outside the regiona)the electric field is necessarily zero.b)the electric field is due to the dipole moment of the charge distribution only.c)the dominant electric field is inversely proportional to r3, for large r (distance from origin).d)the work done to move a charged particle along a closed path, away from the region will not be zero.Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Consider a region inside which, there are various types of charges but the total charge is zero. At points outside the regiona)the electric field is necessarily zero.b)the electric field is due to the dipole moment of the charge distribution only.c)the dominant electric field is inversely proportional to r3, for large r (distance from origin).d)the work done to move a charged particle along a closed path, away from the region will not be zero.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider a region inside which, there are various types of charges but the total charge is zero. At points outside the regiona)the electric field is necessarily zero.b)the electric field is due to the dipole moment of the charge distribution only.c)the dominant electric field is inversely proportional to r3, for large r (distance from origin).d)the work done to move a charged particle along a closed path, away from the region will not be zero.Correct answer is option 'C'. Can you explain this answer?.
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ample number of questions to practice Consider a region inside which, there are various types of charges but the total charge is zero. At points outside the regiona)the electric field is necessarily zero.b)the electric field is due to the dipole moment of the charge distribution only.c)the dominant electric field is inversely proportional to r3, for large r (distance from origin).d)the work done to move a charged particle along a closed path, away from the region will not be zero.Correct answer is option 'C'. Can you explain this answer? tests, examples and also practice NEET tests.
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