Find the resistance (in mega Î©) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200 Î©m.

Find the resistance (in mega Î©) of a wire of length 20m, cross sect

1.	Find the resistance (in mega Î©) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200 Î©m.
A.	40
B.	4000
C.	80
D.	2000
Answer» B. 4000