question - for a conducting of resistance 'R' its length has been made to double by stretching it . find new resistance
frnds pls answer me !! I will mark u as brainlist
pls
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question - for a conducting of resistance 'R' its length has been made to double by stretching it . find new resistance
frnds pls answer me !! I will mark u as brainlist
pls
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Explanation:
The new resistance of the wire becomes four times its old resistance. The wire's length is stretched to twice its length i.e. area of cross section decreases or becomes half, since volume remains the same.
or
you can do as above pics