GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Find the magnitude of the force between two charges of 1.0 C each which are 1.0 meter apart?
A
9E-9 N
B
9E9 N
C
1.1E10 N
D
1.1E-10 N
Explanation: 

Detailed explanation-1: -Find the magnitude of the force between two charges of 1.0 c each which are 1.0 meter apart? To find, The magnitude of the force between the two charges. Hence, the magnitude of the force between the two given charges is equal to 8.988 × 10^9 N.

Detailed explanation-2: -The force of repulsion of two +1.00 Coulomb charges held 1.00 meter apart is 9 billion Newton.

Detailed explanation-3: -Answer: Two identical charges of ±1.00×10-6 Coulombs separated by 1 cm produce a repulsive force of 90 N.

Detailed explanation-4: -Coulomb’s law calculates the magnitude of the force F between two point charges, q1 and q2, separated by a distance r. F=k|q1q2|r2. k=8.988×109N⋅m2C2≈8.99×109N⋅m2C2.

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