____________________ are materials that have a low resistance to the flow of current.
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Q42: All the following are variable resistors EXCEPT:
A)potentiometer
B)resistor
Q43: Electromotive force is usually called _.
Q44: Electrical power is measured in _.
Q45: A simple on/off switch with one input
Q46: Electrons have a _ charge.
Q48: Technician A disconnects the battery ground cable
Q49: _ are materials that resist the flow
Q50: The process of generating electricity by moving
Q51: A momentary contact switch is used to
Q52: The function of a resistor in an
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