Question:medium

Two metal spheres of radii $r_1$ and $r_2$ having charges $q_1$ and $q_2$ are brought in contact. Which statement is NOT correct?

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For conducting spheres in contact: always equate potentials, not charges.
  • Total charge is conserved
  • Both spheres attain same potential
  • Final potential is $\frac{1}{4\pi\epsilon_0}\frac{(q_1+q_2)}{(r_1+r_2)}$
  • Final potential is $\frac{1}{4\pi\epsilon_0}\frac{(q_1+q_2)(r_1+r_2)}{r_1 r_2}$
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The Correct Option is C

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