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General

General

Easy

Question

Shown below is a distribution of charges. The flux of electric field due to these charges through the surface S is

$3 q / ε_{0}$
$q / ε_{0}$
Zero

The correct answer is: Zero

Related Questions to study

The electric flux for Gaussian surface A that enclose the charged particles in free space is (given q₁= 14 nC, q₂= 78.85 nC, q₃= 56 nC )

The electric flux for Gaussian surface A that enclose the charged particles in free space is (given q₁= 14 nC, q₂= 78.85 nC, q₃= 56 nC )

If $P open parentheses 1 comma blank 1 close parentheses comma blank Q left parenthesis 3 comma blank 2 right parenthesis$ and $R$ is a point on $x$ -axis is, then the value of $P R plus R Q$ will be minimum at

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The length of tangent, subtangent, normal and subnormal for the curve $y equals x to the power of 2 end exponent plus x minus 1$ at (1, 1) are $A comma blank B comma blank C$ and $D$ respectively, then their increasing order is

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The function $f open parentheses x close parentheses equals a sin invisible function application x plus fraction numerator 1 over denominator 3 end fraction sin invisible function application 3 x$ has maximum value at $x equals fraction numerator pi over denominator 3 end fraction$ . The value of $a$ is

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The equation of the one of the tangents to the curve $y equals cos invisible function application left parenthesis x plus y right parenthesis comma blank minus 2 pi less or equal than x less or equal than 2 pi$ that is parallel to the line $x plus 2 y equals 0$ , is

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Let $f left parenthesis x right parenthesis$ be a function such that $f ´ left parenthesis a right parenthesis not equal to 0$ . Then, at $x equals a comma blank f left parenthesis x right parenthesis$

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Let $f open parentheses x close parentheses equals square root of x minus 1 end root plus square root of x plus 24 minus 10 square root of x minus 1 end root end root comma blank 1 less or equal than x less or equal than 26$ be real valued function, then $f to the power of ´ end exponent left parenthesis x right parenthesis$ for $1 less than x less than 26$ is

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