SATHEE: Electrostatics Question 172

Electrostatics Question 172

Question: Two charges each of $1 c o u l o m b$ are at a distance $1 k m$ apart, the force between them is [CPMT 1977; DPMT 1999]

Options:

A) $9 \times 10^{3} N e w t o n$

B) $9 \times 10^{- 3} N e w t o n$

C) $1.1 \times 10^{- 4} N e w t o n$

D) $10^{4} N e w t o n$

Show Answer

Answer:

Correct Answer: A

Solution:

$F = \frac{k Q^{2}}{r^{2}} = 9 \times 10^{9} \times 1^{2} \times \frac{1}{{(1000)}^{2}} = 9 \times 10^{3} N$

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Electrostatics Question 172

Question: Two charges each of 1 coulomb are at a distance 1km apart, the force between them is [CPMT 1977; DPMT 1999]

Options:

Answer:

Solution:

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Question: Two charges each of $1 c o u l o m b$ are at a distance $1 k m$ apart, the force between them is [CPMT 1977; DPMT 1999]