a) copper
b)teakwood
c)glass
d)ebonite
2007-04-15 20:39:59 · 12 answers · asked by ARJUN M 1 in Science & Mathematics ➔ Physics
a, a copper rod or a copper clad steel rod is used as the air terminal in a lighting protecting system. It must be connected to earth ground by a down conductor made also of copper.
2007-04-15 20:54:02 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Copper
2007-04-15 20:50:49 · answer #2 · answered by sunilbernard 4 · 0⤊ 0⤋
copper. next time, just look for any metal. if there are many metals, ge tthe one with the best conductivity. that is usually the one most used for electrical appliances, which just happens to be copper in this case too!
2007-04-15 21:25:33 · answer #3 · answered by billius 3 · 0⤊ 0⤋
Copper. All other materials listed are non-conductors of electricity.
2007-04-15 21:06:58 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Copper. All other materials listed are non-conductors of electricity.
2007-04-15 20:46:10 · answer #5 · answered by Swamy 7 · 0⤊ 0⤋
Copper or other conductive material.
2007-04-15 20:45:29 · answer #6 · answered by ? 1 · 0⤊ 0⤋
copper, lately stainless steel is also an alternative
2007-04-15 20:49:18 · answer #7 · answered by tolitstolites 3 · 0⤊ 0⤋
copper
2007-04-15 20:55:23 · answer #8 · answered by raven_your_dream 2 · 0⤊ 0⤋
copper
2007-04-15 20:42:13 · answer #9 · answered by sven 3 · 0⤊ 0⤋
a
2007-04-15 20:42:12 · answer #10 · answered by NitesTime 2 · 0⤊ 0⤋