Physics - Electricity - Circuits - Kirchhoff's laws - Kirchhoff's Laws Problems

8 problems. P1: 'At a junction: I₁=5A in, I₂=2A out, I₃=? out. I₃=___A' (3). P2: 'A junction with 4 wires: 3A in, 7A in, 4A out, I₄=? I₄=___A out' (6). P3: 'A single loop: 9V battery, 3Ω and 6Ω in series. Current I=___A' (1). P4: 'Voltage across 3Ω=___V, across 6Ω=___V' (3, 6). P5: 'A loop: 12V batt