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Can you explain the answer of this question below:
A small circular ring has a uniform charge distribution. On a far-off axial point distance x from the centre of the ring, the electric field is proportional to
- A:x-1
- B:x-3/2
- C:x-2
- D:x5/4
The answer is C.
Most Upvoted Answer
Can you explain the answer of this question below:A small circular rin...
Electric field due to a charged ring in given by: -
at point p
∣E∣= KQx /(R2+x2)3/2 Q =λ(2πr)
at a large distance, x≫R, so :- R2+x2≃x2
⇒∣E∣= K&x/(x2)3/2=KQ/x2=Eαx−2
so at a large distance, the ring behaves as a point particle.
at point p
∣E∣= KQx /(R2+x2)3/2 Q =λ(2πr)
at a large distance, x≫R, so :- R2+x2≃x2
⇒∣E∣= K&x/(x2)3/2=KQ/x2=Eαx−2
so at a large distance, the ring behaves as a point particle.
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Community Answer
Can you explain the answer of this question below:A small circular rin...
Explanation:
- The electric field due to a small circular ring of uniform charge distribution at a far-off axial point is given by the expression E = kQx/(x^2 + R^2)^(3/2), where k is Coulomb's constant, Q is the total charge on the ring, R is the radius of the ring, and x is the distance from the centre of the ring to the axial point.
- For a small circular ring, R < x,="" we="" can="" approximate="" the="" expression="" as="" e="" />
- Therefore, the electric field is proportional to x^-2.
- Option C is the correct answer.
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Can you explain the answer of this question below:A small circular ring has a uniform charge distribution. On a far-off axial point distance x from the centre of the ring, the electric field is proportional toA:x-1B:x-3/2C:x-2D:x5/4The answer is C. for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Can you explain the answer of this question below:A small circular ring has a uniform charge distribution. On a far-off axial point distance x from the centre of the ring, the electric field is proportional toA:x-1B:x-3/2C:x-2D:x5/4The answer is C. covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Can you explain the answer of this question below:A small circular ring has a uniform charge distribution. On a far-off axial point distance x from the centre of the ring, the electric field is proportional toA:x-1B:x-3/2C:x-2D:x5/4The answer is C..
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