Magnetic Effects of Electric Current — Science STD 10 — Question
CBSE BoardEnglish MediumSTD 10ScienceMagnetic Effects of Electric Current1 Mark
MCQ
The wire having a black plastic covering is a :
A
Live wire
✓
Neutral wire
C
Earth wire
D
None of these
✓
Answer
Correct option: B.
Neutral wire
During wiring in our houses, we use the traditional concept of using red colour wire as live, black as neutral and green for earth. These colour codes are used to distinguish between live, neutral and earth. which is a standard way of colours coding for electric connections.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.