A metal wire of resistance R is cut into two pieces of equal length. The two pieces are connected together side by side. Part A
What is the resistance of the two connected wires?
1 answer:
Answer:
R/2
Explanation:
Resistance of full lenght wire = R
Since length is divided into half but even then the resistance of each individual half is same i-e R
If connecetd into parallel mode then we know resultant resistance say 'r' is
1/r=1/R+1/R
or
1/r = 2/R
r= R/2
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