A rectangular piece has the area 6 * 2 cm resistance is 3 ohm. how thick is the piece from a to b?

Aluminium piece: 6 * 1 cm
It's rectangular and has the resistance of 30 OHM

WHAT DA F is the thickness of it??? explain pls.
Asked Jan 19, 2014

TIP: If it's not your answer to this question, please click "Leave a Comment" button under the question to communicate with the question owner.