Electrical Circuit Solver Calculator

Analyze mixed resistor networks fast with dependable computed outputs. Review branch currents and voltages easily. Save results, verify formulas, and learn circuit relationships confidently.

Calculator Inputs

Reset

For mixed mode, total resistance equals all series resistors plus the equivalent resistance of the parallel branch group.

Formula Used

Series resistance: Req = R1 + R2 + ... + Rn
Parallel resistance: 1 / Req = 1 / R1 + 1 / R2 + ... + 1 / Rn
Ohm's law: V = I × R
Power: P = V × I = I2 × R = V2 / R

The solver first builds an equivalent resistance from the selected network mode. It then uses the supplied source value to compute missing voltage, current, branch current, voltage drop, and power for each active element.

How to Use This Calculator

  1. Choose series, parallel, or mixed circuit mode.
  2. Enter source voltage, source current, or both.
  3. Fill only the resistor fields used in your network.
  4. Press Solve Circuit to calculate equivalent resistance and electrical values.
  5. Review the result tables shown above the form.
  6. Use the export buttons to save the solution as CSV or PDF.

Example Data Table

Example Mode Source Voltage (V) Series Resistors (Ω) Parallel Resistors (Ω) Total Resistance (Ω) Total Current (A) Total Power (W)
Worked Sample Mixed 24 2, 4 6, 12 10 2.4 57.6

FAQs

1. What does this solver calculate?

It calculates equivalent resistance, source voltage or current, voltage drops, branch currents, and power values for series, parallel, and mixed resistor networks.

2. Can I leave unused resistor fields empty?

Yes. Empty resistor fields are ignored, so you can model small or larger networks without editing the form structure.

3. What happens if I enter both voltage and current?

The solver checks whether both source values match the solved resistance. If they differ, it reports the mismatch and solves using the entered voltage.

4. How is mixed mode interpreted?

Mixed mode treats all series resistors as one chain and all parallel entries as one branch block. The total resistance is series equivalent plus parallel equivalent.

5. Does the calculator support negative or zero resistance?

No. Every resistor must be greater than zero. Invalid values trigger a clear error message before any calculation is displayed.

6. Are the exports based on solved results?

Yes. The CSV and PDF downloads capture the summary metrics and component table currently shown in the results section.

7. Is this suitable for classroom practice?

Yes. It is useful for checking homework, validating hand calculations, studying Kirchhoff-style behavior, and comparing multiple resistor arrangements quickly.

8. Can I use the tool for AC impedance circuits?

This version focuses on resistive DC-style networks. AC impedance, reactance, and phase-angle solving would need additional formulas and inputs.

Related Calculators

ode system solverrlc circuit solversensitivity analysis solvereuler method solverrl circuit solverlinearization solverjacobi method solverrc circuit solversimpson rule solversir model solver

Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.