All ammeter/voltameter are ideal. Which of the statements are correct.

Options

A. When all switch are closed, reading of `A_(1)` and `A_(3)` are same.
B. When only `S_(2)` is closed than reading of `V_(2)` is E.
C. When only `S_(2) S_(3)` closed then a reading of `A_(1)` is `(2E)/(3R)`
D. Reading of `A_(1)` is independent on the function of switch `S_(2)`.

Answer

B