Question

212 A 4 Ohm resistance wire is doubled up by folding. Calculate the new resistance of the
wire: (1)
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Answer 1

Answer:

wire a=area of wire Wire is doubled so length .

Explanation:

Answer 2

Explanation:

By directly doubling the wire the 4 ohm resistance will be changed to 2 ohm....because resistance is indirectly proportional to the length of the wire...

I hope so this is correct