SATHEE: Electric Charges and Fields

Electric Charges and Fields - Result Question 30

[1996]

(a) $E \propto \frac{1}{r}$

(b) $E \propto \frac{1}{r^{2}}$

(d) $E \propto \frac{1}{r^{4}}$

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Answer:

Correct Answer: 30. (c)

Solution:

$E = \frac{p}{4 π ε_{0} r^{3}} \sqrt{3 \cos^{2} θ + 1} \Rightarrow E \propto \frac{1}{r^{3}}$

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Electric Charges and Fields - Result Question 30

30. Intensity of an electric field (E) depends on distance r, due to a dipole, is related as

Answer:

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30. Intensity of an electric field $(E)$ depends on distance $r$ , due to a dipole, is related as