Question

The specific resistence of a metal wite is P. The wire is strectched to doubles its lenth and the resistivity becomes
A. P
B. Greater than P
C. Less than P
D. Both B and C are possible

Answer 1

ACCORDING TO THE RELATION

R=RHO*L/A
WHEN U DOUBLE LENGTH RESISTIVITY BECOME HALF

option is d I think

because it is also depends on area

Answer 2

may be less than the p it is the answer