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
Answers
Answered by
0
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
R=RHO*L/A
WHEN U DOUBLE LENGTH RESISTIVITY BECOME HALF
option is d I think
because it is also depends on area
Answered by
0
may be less than the p it is the answer
Similar questions