SATHEE: electric-charges-and-fields Question 9

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electric-charges-and-fields Question 9

Question: Q. 7. Two dipoles, made from charges $\pm q$ and $\pm Q$ respectively, have equal dipole moments. Give the (i) ratio between the ‘separations’ of these two pairs of charges, (ii) angle between the dipole axes of these two dipoles.

U] [O.D. I, II, III 2013; CBSE SQP 2013]

Show Answer

Solution:

Ans. As $q a = Q a^{'}$ , we have

$\frac{a}{a^{'}} = \frac{Q}{q}$

and

$θ = 0^{\circ}$ .

[CBSE Marking Scheme, 2013]

Detailed Answer :

If distance between two charges of dipoles be $l_{1}$ and $l_{2}$ respectively, then dipole moments of dipoles will be $q l_{1}$ and $Q l_{2}$

(i) ratio between the separations of two pairs of charges $q, Q$

$\begin{aligned} q l_{1} = Q l_{2} & or, \frac{l_{1}}{l_{2}} = \frac{Q}{q} \end{aligned}$

(ii) angle between dipole axes of two dipoles will be zero.

Electric Charges And Fields

electric-charges-and-fields Question 9

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Electric Charges And Fields

electric-charges-and-fields Question 9

Detailed Answer :

Table of Contents

Engineering Preparation

Medical Preparation

NCERT Books & Solutions

Important Resources

Other Resources

Syllabus

Test Platform

Sample Mock Test

Mentorship

NCERT Exercise Video Solution

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