MCQ
A lightning arrester must have the following property.
- ADiscontinuity.
- BPoor conductivity.
- ✓Needle end.
- DLow melting point.
✓
Answer
Correct option: C.
Needle end.
Needle end can arrest the lightning easily. Besides, the device must provide a continuous path to electricity so that current passes to ground. It must have a high melting point else it will meltdown due to the heat generated during carrying lightning current.
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