MCQ
The wire having a green plastic covering is a:
  • A
    Live wire
  • B
    Neutral wire
  • C
    Earth wire
  • D
    None of these

Answer

  1. Earth wire

Explanation:

During wiring in our houses, we use the traditional concept of using red colour wire as live, black as neutral and green for the earth.
These colour codes are used to distinguish between live, earth and neutral

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

As light from a far off star comes down towards the earth:
  1. It bends away from the normal.
  2. It bends towards the normal.
  3. It does not bend at all.
  4. It is reflected back.
Mark the incorrect statement:
An electric fuse works on the ______effect of current:
An electron beam is moving from left to right of the observer and magnetic field is acting vertically upwards. The direction of force acting on electron is:
A real image is formed by the light rays after reflection or refraction when they :
A. actually meet or intersect with each other.
B. actually converge at a point.
C. appear to meet when they are produced in the backward direction.
D. appear to diverge from a point.
Which of the above statements are correct?
The magnetic field lines produced by a bar magnet:
  1. Originate from the south pole and end at its north pole.
  2. Originate from the north pole and end at its east pole.
  3. Originate from the north pole and end at its south pole.
  4. Originate from the south pole and end at its west pole.
When the light rays enters the eye, most of the refraction occurs at the:
When the switch S is closed in the figure given below, the pointer of the galvanometer moves to the right.

If S is kept closed, will the pointer:
  1. Return to zero?
  2. Stay over on the right?
  3. Move to the left and stay there.
  4. Move to and fro until S is opened.
In an electric motor, the direction of current in the coil changes once in each: