Which statement about EMI is accurate?

Which statement about EMI is accurate?

• A. Common-mode EMI appears on all conductors equally with respect to ground; differential-mode EMI is noise between conductors.
• B. Common-mode EMI appears only on a single conductor with respect to ground.
• C. Differential-mode EMI appears between conductors.
• D. EMI does not affect circuit performance.

Answer: (A)