# Electronics+ — Circuits Theory & Engineering

> Circuits Theory & Engineering (iPhone/iPad app by Forwa Elade Wunde.)

- Source: https://appshunter.io/ios/app/electronics-plus/id6755482554 (this page in markdown: same URL + `.md`)
- Developer: [Forwa Elade Wunde](https://appshunter.io/developer/1685241344)
- Category: Education, Games, Trivia
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 26 MB
- Languages: English
- Released: 2025-11-20
- Data updated: 2026-05-18
- User reviews in markdown: https://appshunter.io/ios/app/electronics-plus/id6755482554/reviews.md

## What is Electronics+?

Master Electronics with our Fun and Engaging Quizzes! 

Dive into the world of Electronics with our comprehensive quiz app, designed to boost your knowledge, confidence, and skills. Whether you're a student, practitioner, or just exploring the field, this app is your ultimate companion for learning and growth. 

Topics Covered:


Introduction to Electronics:
-History and evolution of electronics
-Basic electrical quantities
-Passive components overview
-Electronic system classifications

Semiconductor Physics:
-Intrinsic and extrinsic semiconductors
-Charge carriers and doping
-PN junction characteristics
-Drift and diffusion currents

Diodes and Applications:
-Zener and Schottky diodes
-Rectification circuits
-Clipping and clamping
-Voltage regulation

Transistors (BJT & FET):
-BJT operation and characteristics
-FET and MOSFET operation
-Biasing techniques
-Small-signal models

Analog Circuits:
-Amplifier classes (A, B, AB, D)
-Differential amplifiers
-Frequency response
-Feedback and stability

Operational Amplifiers:
-Ideal vs real op-amps
-Inverting & non-inverting amplifiers
-Filters using op-amps
-Comparators and oscillators

Digital Logic Fundamentals:
-Number systems and Boolean algebra
-Logic gates and truth tables
-Combinational logic circuits
-Sequential logic (flip-flops, registers)

Microcontrollers & Embedded Systems:
-Microcontroller architecture
-Memory and I/O interfacing
-Interrupts and timers
-Embedded C programming basics

Power Electronics:
-AC/DC converters
-DC/DC converters
-Inverters and motor drives
-Protection and thermal management

Electronic Communication Systems:
-Modulation techniques (AM, FM, PM)
-Digital communication (ASK, FSK, QAM)
-Multiplexing methods
-Noise and signal-to-noise ratio

Sensors and Instrumentation:
-Temperature, pressure, motion sensors
-Signal conditioning
-Data acquisition systems
-Calibration and error analysis

Electromagnetic Theory & Transmission Lines:
-Maxwell’s equations basics
-Wave propagation
-Impedance matching
-RF transmission lines

Integrated Circuits and PCB Design:
-IC fabrication process
-PCB layout principles
-Soldering and assembly
-Testing and debugging

Control Systems:
-Open-loop vs closed-loop control
-Transfer functions
-PID controllers
-Stability analysis

IoT & Modern Electronics Applications:
-IoT architectures and protocols
-Embedded connectivity (WiFi, BLE)
-Cloud integration
-Security in modern electronics


Who is it for?
- Students preparing for the exam.  
- Professionals brushing up on their knowledge.  
- Anyone interested in understanding the principles of Electronics.  

Download now and make learning Electronics enjoyable and effective!  

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://forwaelade.web.app/Electronics/privacy-policy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 1 Week | $7.99 | per 7 days |
| 1 Month | $19.99 | per month |
| 1 Year | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 1500 | $1.99 | one-time |
| 9000 | $4.99 | one-time |
| 3500 | $2.99 | one-time |



## Version history (last 3 releases)

### 1.2 — 2026-04-01

-Fixed the backend access issue

### 1.1 — 2026-01-11

-Updated the Settings button on the bottom navigation bar

### 1.0 — 2025-11-21

No release notes.

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All apps by Forwa Elade Wunde: https://appshunter.io/developer/1685241344

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-18.*