This section presents basic topics of Electrical Engineering. Various examples are added for the reference.

- Basic properties of electrical engineering
- SI units and derived units for electrical engineers
- Electrical symbols
- Ohm's law
- Resistors in series
- Resistors in parallel
- Polarity of voltage and direction of current
- Voltage sources in series
- Point source
- Series-Parallel Circuits
- Kirchhoff's current law
- Kirchhoff's voltage law
- Voltage divider
- Current divider
- Branch current analysis
- Superposition principle
- Thevenin theorem
- Norton theorem
- Delta to Wye conversion with examples
- Wye to Delta conversion with examples
- Resistive bridge

### Examples

- What is the maximum voltage you can apply to 1/4 watt resistor
- Equivalent resistance of 1,2,3 or 4 same resistors
- What current will flow through a 1 kW heater having 5 ohms resistance
- An electrical circuit has three resistors which three resistors with two having dropped 5 V and 12 V. A current of 50 mA is flowing through the circuit. Find the value of input source

### Power/Energy Examples

### Resistors in parallel

### Series-Parallel network examples

### Kirchhoff's Current Law Example

- H shaped bridge with 5 resistors [Easy]
- Kirchhoff's Current Law Example 2: 9 Resistors and 5 Unknown branches

### Current Divider Examples

- Current divider example # 1: Two resistors with 500 ohm and 800 ohm
- Current divider example # 2: Two equal resistors having values 200 ohm
- Current divider example # 3: Finding value of unknown resistor
- Current divider example # 4: Designing a current divider for 20 mA current
- Current divider example # 5: Impact of adding another resistor
- Current divider example # 6: How to apply current divider for three resistors

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