Two tiny beads are 25 cm apart with no other charges or fields present. Bead A carries 10 µC of charge and bead B carries 1 µC. Which one of the following statements is true about the magnitudes of the electric forces on these beads
Answer:
The charges repel with different forces
Explanation:
The charges repel with different magnitudes. This can be seen from the equation:
\(F = k\frac{q_{1}q_{2} }{r^{2} }\)
where q₁ and q₂ are the charges of the particles
k is Coulomb constant = 8.99 × 10⁹ N\(m^{2} C^{-2}\)
r distance between the charges
So the force will be \(F = 8.99 * 10^{9} \frac{10^{-6}*1^{-6} }{(0.25^{2} )}\)
= 143 840 N
This is a large force, which shows that the forces repel each other.