Offline app (Without internet)
The app covers the following topics:

• What is Electricity
• Static or Current Electricity
• Electrical Units of Measure
• What Is Resistance
• Resistor Colour Code
• Resistors in series
• Resistors in Parallel
• Ohms Law and Power
• Kirchhoffs Circuit Law
• Multimeter Basics
• Oscilloscope
• Capacitors
• Inductor
• Relay
• Transformer
• Active and Passive Components
• Semiconductor
• Diode
• Transistor
• Electrical vs Electronic
• Circuit Simulators

Basic Elec is easy to use it is ideal for beginners and electronics hobbyist for quick reference

Application Basics of Electronics and Electrical