1. What is the Current Divider Rule?

The current divider rule is a direct consequence of Ohm's Law that determines how current divides between parallel resistors in an electrical circuit. It states that the current through any resistor is equal to the total current multiplied by the ratio of the opposite resistance to the sum of all resistances.

2. How Does the Calculator Work?

The calculator uses the current divider formula:

Where:

• \( I_1 \) — Current through resistor R₁ (A)
• \( I_{total} \) — Total input current (A)
• \( R_1 \) — Resistance of first resistor (Ω)
• \( R_2 \) — Resistance of second resistor (Ω)

Explanation: The current divides inversely proportional to the resistances in parallel branches.

3. Importance of Current Division

Details: Understanding current division is crucial for circuit analysis, designing parallel circuits, and ensuring components receive appropriate current levels.

4. Using the Calculator

Tips: Enter total current in amperes and resistances in ohms. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Does this work for more than two resistors?
A: For multiple parallel resistors, use the equivalent parallel resistance in place of R₂.

Q2: What if one resistor is zero?
A: Zero resistance would create a short circuit, making the calculation invalid.

Q3: How does voltage relate to this?
A: The voltage across parallel resistors is the same, while currents divide.

Q4: Can I use this for AC circuits?
A: Yes, but with impedance (Z) instead of resistance for AC signals.

Q5: What about non-ideal components?
A: Real-world factors like internal resistance may affect actual current division.