In Fig., A₁, A₂ and A₃ are ideal ammeters. If A₂ and A₃ read 3 A and 4 A respectively, then A₁ should read

In the circuit of Fig., assume that the diodes are ideal and the meter is an average indicating ammeter. The ammeter will read

Find the input resistance $${R_{in}}$$ of the infinite section resistive network shown in Fig.

The voltage V_C1, V_C2 and V_C3 across the capacitors in the circuit in Fig., under steady state, are respectively