tag:blogger.com,1999:blog-4473032874724131225.post5530968851021311715..comments2024-01-29T16:23:50.049-05:00Comments on Emergency Preparedness - Survival Supplies: Knowing AC To DC Power SuppliesUnknownnoreply@blogger.comBlogger1125tag:blogger.com,1999:blog-4473032874724131225.post-48465340322695028702016-07-21T03:02:40.686-04:002016-07-21T03:02:40.686-04:00I have a problem if I have a standard 9v battery a...I have a problem if I have a standard 9v battery and connect the + end form the battery to the + end of my tester and the – end of the copper rod that is in the earth, I don’t get anything. I don’t understand the reason that how a battery works properly. Please tell me if you have any answer about this situation.<br /><a href="https://www.electricalwarehouse.com/" rel="nofollow">https://www.electricalwarehouse.com/</a>Anonymousnoreply@blogger.com