RCDD Chapter 2 Electromagnetic
Compatibility 2025/2026 Exam Questions
and Answers | A+ Score Assured
1. Light
2. Radio Waves
3. Microwaves
4. IR Radiation (IR)
5. Ultraviolet rays
6. X-rays
7. Gama Rays - 🧠 ANSWER ✔✔Electromagnetic Spectrum
1. Source
2. Susceptible Device
3. Coupling Path - 🧠 ANSWER ✔✔Three essential elements to any EMC
Problem
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
, Conducted coupling may effect electronic devices through - 🧠 ANSWER
✔✔Input signal lines, output signal lines, Utility or premise electrical power
distribution.
Internal EMI sources are typically - 🧠 ANSWER ✔✔Electrical power
supplies
Electrical power cables
Rectifiers
Oscillators
Digital clocks
Common-mode signaling (CM)
Long term or short term variations in voltage (swells, sags or under-
voltages)
Cathode Ray Tube - 🧠 ANSWER ✔✔Susceptible to RFI in the enviroment
A device's EMC - 🧠 ANSWER ✔✔Its value is relative to the environment in
which it operates
EMC - 🧠 ANSWER ✔✔Electromagnetic Compatibility
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
Compatibility 2025/2026 Exam Questions
and Answers | A+ Score Assured
1. Light
2. Radio Waves
3. Microwaves
4. IR Radiation (IR)
5. Ultraviolet rays
6. X-rays
7. Gama Rays - 🧠 ANSWER ✔✔Electromagnetic Spectrum
1. Source
2. Susceptible Device
3. Coupling Path - 🧠 ANSWER ✔✔Three essential elements to any EMC
Problem
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
, Conducted coupling may effect electronic devices through - 🧠 ANSWER
✔✔Input signal lines, output signal lines, Utility or premise electrical power
distribution.
Internal EMI sources are typically - 🧠 ANSWER ✔✔Electrical power
supplies
Electrical power cables
Rectifiers
Oscillators
Digital clocks
Common-mode signaling (CM)
Long term or short term variations in voltage (swells, sags or under-
voltages)
Cathode Ray Tube - 🧠 ANSWER ✔✔Susceptible to RFI in the enviroment
A device's EMC - 🧠 ANSWER ✔✔Its value is relative to the environment in
which it operates
EMC - 🧠 ANSWER ✔✔Electromagnetic Compatibility
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
