A wire cut 5 equal part these parts are twisted to form a single wire. by what factor the resistance of this single wire may be multiplied to get th resistance of the original wire.
Answers
Answered by
2
Answer:
25
Explanation:
we know, Resistance of initial wire
= Rho X Length / Area
Length is reduced to L/5
Area is Increased to 5A as they are a tied together.
New Resistance becomes = Rho X (Length/5) / 5A
= Rho X Length / 25A
Resistance of the first wire is 25 times more than this new wire.
Answered by
1
Answer:
25 Answer
May be 25 is right answer.
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