Math, asked by sansh8800, 7 months ago

A copper wire is stretched so that its length is increased by 0.1 percent. The
percentage change in its resistance is
(A) 0.2 percent (B) 0.4 percent (C) 0.6 percent (D) 0.8 percent

Answers

Answered by Anonymous

Answer:

0.4% is the correct answer

Step-by-step explanation:

please n as brainliest

Answered by Anonymous

Answer:

Answer. R be the resistance of wire. Let X', Y' and R' be the new length, cross- sectional area and resistance of wire after the length of wire is increased. Thus, resistance of wire is increased by 0.2%.

Step-by-step explanation:

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A copper wire is stretched so that its length is increased by 0.1 percent. Thepercentage change in its resistance is(A) 0.2 percent (B) 0.4 percent (C) 0.6 percent (D) 0.8 percent​

Answers

A copper wire is stretched so that its length is increased by 0.1 percent. The
percentage change in its resistance is
(A) 0.2 percent (B) 0.4 percent (C) 0.6 percent (D) 0.8 percent