Assertion: Four point charges q1, q2, q3 and q4 are as shown in figure. The flux over the shown Gaussian surface depends only on charges q1 and q2. Reason: Electric field at all points on Gaussian surface depends only on charges q1 and q2.

Question

Assertion: Four point charges q1, q2, q3 and q4 are as shown in figure. The flux over the shown Gaussian surface depends only on charges q1 and q2. Reason: Electric field at all points on Gaussian surface depends only on charges q1 and q2. (A) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion. (B) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion. (C) If Assertion is correct but Reason is incorrect. (D) If both the Assertion and Reason are incorrect.

Tardigrade Admin · Accepted Answer

By Gauss Law, total flux will depend only on enclosed charges, i.e.

q_{1}

and

q_{2}

but flux at each point will depend on all charges.

< b r / >

\phi=\frac{ q _{\text {enclosed }}}{\epsilon}

< b r / >

Electric field depends on all

q_{1}, q_{2}, q_{3}

and

q_{4}

,

Q. Assertion : Four point charges q1​,q2​,q3​ and q4​ are as shown in figure. The flux over the shown Gaussian surface depends only on charges q1​ and q2​. Reason : Electric field at all points on Gaussian surface depends only on charges q1​ and q2​.

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

If Assertion is correct but Reason is incorrect.

If both the Assertion and Reason are incorrect.

By Gauss Law, total flux will depend only on enclosed charges, i.e. q1​ and q2​ but flux at each point will depend on all charges. <br/> \phi=\frac{ q _{\text {enclosed }}}{\epsilon} <br/> Electric field depends on all q1​,q2​,q3​ and q4​,

Q. Assertion : Four point charges $q_{1}, q_{2}, q_{3}$ and $q_{4}$ are as shown in figure. The flux over the shown Gaussian surface depends only on charges $q_{1}$ and $q_{2}$ .
Reason : Electric field at all points on Gaussian surface depends only on charges $q_{1}$ and $q_{2}$ .

By Gauss Law, total flux will depend only on enclosed charges, i.e.
$q_{1}$ and $q_{2}$ but flux at each point will depend on all charges. $< b r / >$ \phi=\frac{ q _{\text {enclosed }}}{\epsilon} $< b r / >$ Electric field depends on all $q_{1}, q_{2}, q_{3}$ and $q_{4}$ ,