An accumulator battery (storage cell) `B` of emf `epsilon` and internal resistance `r` is being charged from `DC` supply whose terminals are `T_1` and `T_2`
.

Options

A. Potential difference bertween `T_(1)` and `T_(2)` must be `gt varepsilon`
B. `T_(1)` must be positive with respect to `T_(2)`
C. in the battery, current flows from the positive to the negative terminal.
D. All the above options are incorrect.

Answer

A, B, C