The ability of a material to attract iron, cobalt, or nickel is called
A) electromagnetism
B) potential difference
C) magnetism
D) voltage
Correct Answer:
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Q39: Current that changes direction in the conductor
Q40: A battery produces
A) alternating current
B) indirect current
C)
Q41: Which of the following devices allow the
Q42: The lines of force in space associated
Q43: A closed pathway of wires and related
Q45: The device that produces electrons through a
Q46: The purpose of grounding is to
A) provide
Q47: Magnetic field strength is measured in
A) tesla
B)
Q48: An adjustable form of a resistor is
Q49: A circuit with elements that are arranged
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