Answer the following statement(s) true (T) or false (F)
1. A lightning arrester for TV and radio antennas is simply a grounded wire brought close to, but not touching, the antenna.
2. Industries always use static charge as a tool.
3. Sandpaper grit can be made to lie flat as it is being applied to the paper backing by giving the sand particles a positive charge and the glue-covered paper backing a negative charge.
4. A neutron forcibly taken away from one neutral object and put on another neutral object has gained potential energy.
5. Electrostatic lines of force show the existence of a very real force between two electrically charged objects.
1. True
2. False
3. False
4. False
5. True
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Fill in the blank(s) with correct word
Virus cells have no nucleus
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A. Category 1 B. Category 2 C. Category 3 D. Category 4