A _________ is a source of direct current.
A) wall socket
B) battery
C) generator
D) spark
Correct Answer:
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Q9: The charges on an electrified object are
Q10: What is the SI unit of magnetic
Q11: Electrostatic force is _ proportional to the
Q12: Like charges _ and unlike charges _.
A)
Q13: Electrification occurs through the movement of _.
A)
Q15: Electrical power is measured in _.
A) coulombs
B)
Q16: A _ uses direct current.
A) hair dryer
B)
Q17: A charged particle in motion creates a(n)
Q18: The rotation of electrons on their axis
Q19: An alternating (AC) current is represented by
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