The shock that results from walking across a carpet and touching a doorknob is an example of a(n) _____ static charge.
A) nuisance
B) useful
Correct Answer:
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Q10: Within a lightning bolt, current flows _.
A)
Q11: A lightning protection device that is grounded
Q12: Insulators are the only materials that can
Q13: Lightning is the result of static charges
Q14: Bringing a charged test object near the
Q16: The precipitator uses a high-voltage DC power
Q17: A precipitator is a type of _.
A)
Q18: Static electricity refers to electrons that _ moving.
A) are
B)
Q19: Copy machines operate on the principle of static
Q20: If a thundercloud has a positive charge,
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