Two equal point charges of 1 - C each are located at -k- m and 2 -3 -k- m- The magnitude of the electrostatic force between them isA- 10-3 NB- 10-6 N- 10-9 ND- 10-12 N

The correct option is A 10^ 3Nr⃗ = (2 î + 3 ĵ + k̂) (î + ĵ + k̂) = (î + 2 ĵ + 2 k̂) r⃗ = √(1^2 + 2^2 + 3^2) = √(1 + 4 + 4)=3m ∴ F=9 × 10^9 ×(10^ 6)^2/9 = 10^ ...

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Byju's Answer

Standard XII

Physics

Gravitational Potential Energy

Two equal poi...

Question

Two equal point charges of $1 μ C$ each are located at $(^i +^j +^k) m$ and $(2^i + 3^j) +^k) m$ . The magnitude of the electrostatic force between them is

10^{- 3} N

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10^{- 6} N

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10^{- 9} N

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10^{- 12} N

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Solution

The correct option is A $10^{- 3} N$
$\to r = (2^i + 3^j +^k) - (^i +^j +^k) = (^i + 2^j + 2^k)$
$\to r = \sqrt{1^{2} + 2^{2} + 3^{2}} = \sqrt{1 + 4 + 4} = 3 m$
$∴ F = 9 \times 10^{9} \times \frac{(10^{- 6})^{2}}{9} = 10^{- 3} N$

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Two equal point charges of 1 μC each are located at (^i+^j+^k)m and (2^i+3^j)+^k)m. The magnitude of the electrostatic force between them is

The correct option is A 10−3N→r=(2^i+3^j+^k)−(^i+^j+^k)=(^i+2^j+2^k) →r=√12+22+32=√1+4+4=3m ∴ F=9×109×(10−6)29=10−3N

Two equal point charges of $1 μ C$ each are located at $(^i +^j +^k) m$ and $(2^i + 3^j) +^k) m$ . The magnitude of the electrostatic force between them is

The correct option is A $10^{- 3} N$
$\to r = (2^i + 3^j +^k) - (^i +^j +^k) = (^i + 2^j + 2^k)$
$\to r = \sqrt{1^{2} + 2^{2} + 3^{2}} = \sqrt{1 + 4 + 4} = 3 m$
$∴ F = 9 \times 10^{9} \times \frac{(10^{- 6})^{2}}{9} = 10^{- 3} N$