Question

what happens when a negatively charged ebonite rod touches to a neutral cylinder​

Answer 1

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A neutral metal sphere is touched by a negatively charged metal rod. During charging by conduction, both objects acquire the same type of charge. If a negative object is used to charge a neutral object, then both objects become charged negatively.

Answer 2

The tundra is a treeless polar desert found in the high latitudes in the polar regions, primarily in Alaska, Canada, Russia, Greenland, Iceland, and Scandinavia, as well as sub-Antarctic islands. The region's long, dry winters feature months of total darkness and extremely frigid temperatures.