The length of a wire is L m. The length of the wire is pulled to 2L meters, now the resistance of the wire will be.
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Q:
The length of a wire is L m. The length of the wire is pulled to 2L meters, now the resistance of the wire will be.
- 1double the earlierfalse
- 2First four timestrue
- 3One fourth of firstfalse
- 4will remain unchangedfalse
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