Fisicaexe - Solved Problems in Physics

Kirchhoff's Laws

In the circuit below find the currents and their directions.

Solution by Kirchhoff's Laws

Solution by Mesh Analysis

Two batteries whose emf and internal resistances are respectively E₁=1.5 V, E₂=9 V and r₁=1 Ω, r₂=2.2 Ω are connected by wires of negligible resistance to a resistor R=4.7 kΩ. Find the currents in the branches of the circuit.

Solution by Kirchhoff's Laws

Solution by Mesh Analysis

In the circuit below find the currents in the branches and their directions.

Solution by Kirchhoff's Laws

Solution by Mesh Analysis

In the circuit below find the currents in the branches and their directions.

Solution by Kirchhoff's Laws

Solution by Mesh Analysis

The circuit below is under steady-state conditions, find:
a) The current in the circuit;
b) The potential difference in the capacitor;
c) The electric charge stored in the capacitor;
d) The electric potential energy in the capacitor.

Solution

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