When an electrical safety fuse is rated (marked) as 16 A,

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When an electrical safety fuse is rated (marked) as 16 A, it means it

1. will not work if current is less than 16 A
2. has a resistance of 16 W
3. will work if the temperature is more than 16° C
4. will be blown (break) if current exceeds 16 A

Correct Option: D

will be blown (break) if current exceeds 16 A