An electroscope can be used to determine the polarity of an electrostatic charge.
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Q3: Lightning rods provide an easy path to
Q4: Most lightning discharges associated with a cloud
Q5: The static charge sometimes used during spray
Q6: Electrostatic charges occur on _.
A) conductors
B) insulators
Q7: In a clothes dryer, the greatest static charges
Q9: When an object protected by a lightning
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
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