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A wire that has resistance R is cut into two equal pieces. The two parts are joined in parallel. What is the resistance of the combination?
Answers
Answered by
1
Answer:
R/4
Explanation:
R1=R2= R/2 (coz cut in half)
In parallel,
1/R(p) = 2/R + 2/R
= 4/R
==> R(p) = R/4
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Answered by
2
Answer:
the wire with resistance R is cut into 2 equal parts then
each wire has a resistance of 1/2 ohm
then total resistance(1/Rp)=1/R/2+1/R/2
=2/R+2/R
=4/R
Rp=R/4
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