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Coulomb's Law - Mathematical Form

Question

The value of the constant $k$ in coulomb's law is :
$9 \times 10^{3}$
$9 \times 10^{5}$
$9 \times 10^{9}$
$9 \times 10^{7}$

A

9 \times 10^{3}

B

9 \times 10^{5}

C

9 \times 10^{9}

D

9 \times 10^{7}

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Solution

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The Coulomb's constant, $k = \frac{1}{4 π ϵ_{0}} = \frac{1}{4 π \times (8.85 \times 10^{- 12})} = 9 \times 10^{9}$

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Similar Questions

Q1

The value of the constant

k

in coulomb's law is :

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Q2

In the given equation the value of $x$ is $\frac{17}{5}$

$9 \times 3^{x} = (27)^{2 x - 5}$

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Q3

Which of the following statements is true for Coulomb's law constant

(k)

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Q4

The value of $(9 \times 10^{- 2}) + (9 \times 10^{3})$ is given by:

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Q5

A charge of

10^{- 9} C

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Q = 2 C

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9 \times 10^{9} N m^{2} C^{- 2}

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