Two metal spheres A and B of radii a and b(a < b) respectively are at a large distance apart. Eac

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2. Electric Potential and Capacitance

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Two metal spheres $A$ and $B$ of radii $a$ and $b(a < b)$ respectively are at a large distance apart. Each sphere carries a charge of $100 \mu C$. The spheres are connected by a conducting wire, then

A

Charge will flow from $A$ to $B$

B

Charge will flow from $B$ to $A$

C

No charge flows in the wire

D

All charges will reside on the connecting wire

Solution

(a)

$V_A=\frac{k(100)}{a} \quad V_B=\frac{k(100)}{b}$

$a < b$

$V_a > V_B$

Charge flows from $A$ to $B$.

Standard 12

Physics

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