Which of the following wires does connect the metal case of the device to the earth?
- Alive wire
- Bneutral wire
- ✓earth wire
- Dany of these
Answer: C.
View full solution →29 questions across 5 question groups — pick any mix to generate a PHYSICS paper with step-by-step answer keys.
MCQ
5 Q→02[1 Mark Question Answer]
13 Q→03fill in the blanks.
5 Q→04TRUE / FALSE
5 Q→05Match the following.
1 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: C.
View full solution →Answer: B.
View full solution →Answer: C.
View full solution →Answer: B.
View full solution →Answer: A.
View full solution →| Column A | Column B |
| 1. A small source of electricity. | (a) Body of the kWh meter |
| 2. A safety device, which melts and breaks the circuit in an abnormal situation. | (b) Miniature circuit breaker |
| 3. A safety device, which sense overloading of the circuit and put the circuit in off position. | (c) Battery |
| 4. A safety device, which is protected the user from receiving an electric shock by touching the metal body of short circuited device. | (d) Electric fuse |
| 5. The terminal from which earth wire is connected inside the house. | (e) Earthing |
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