the area fo cross section of wire P is doubled to that of Q of same length and material. which one will have more resistivity?
Answers
Answered by
2
Answer:
Q is more resistivity
Explanation:
if the area of cross section increases the resistivity decreases...
R=row*l÷A
Answered by
2
Explanation:
if cross sectional area is doubled then the resistance is descresed and if length is increased the the resistance is increased
as
resistance is directly proportional to the length of wire or inversely proportional to cross sectional area of wire
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