Question
Physics Question on electrostatic potential and capacitance
A capacitor is connected to .a cell of emf E having someJntemal resistance r. The potential difference across the:
A
cell is < E
B
cell is E
C
capacitor is > E
D
capacitor is < E
Answer
cell is E
Explanation
Solution
When capacitor is fully charged, it draws no current. When no current flows in the circuit, potential difference across the cell = emf of the cell = potential difference across the capacitor.