When electricity is generated by friction, the transfer of free electrons from one material to another by rubbing the surfaces of the two against each other causes a __________ charge to build between the two materials.
As a rule, an elaborate equipment-grounding/bonding system is installed to dissipate any buildup of __________ electricity within a building or other structure.
A) static; static
B) dynamic; dynamic
C) dynamic; static
D) static; dynamic
Show Answer
Answer:A
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