A) 100%
B) 300%
C) 400%
D) 500%
Correct Answer: B
Solution :
\[R=\rho \,\frac{\ell }{A}\] \[R'=\rho \,\frac{2\ell }{A/2}\,=4R\] (\[\therefore \] where \[=A\,\ell \,=2\,\ell \,A'\])
You need to login to perform this action.
You will be redirected in
3 sec
