20 Questions
What is the international unit of current?
Ampere
What happens when there is a net loss of electrons in a system?
The system becomes positively charged
What is the force that results from the separation of charges and determines whether there is attraction or repulsion?
Electric field
What are the two types of fundamental charges?
Positive and negative
What does the accumulation of electrons at one point in a circuit create?
Deficit at another point
What is the resulting electro-motive force created by differences in potential called?
Voltage
Which type of current involves uninterrupted bidirectional flow of ions that changes direction at least one time per second?
Alternating current (AC)
What is the international unit of current quantity or amount of ions or electrons flowing at a given time?
Amperage
Which aspect of electrical waveforms is used to determine the physiological impact of therapeutic electrical stimulation?
Frequency
What type of material allows the free movement of electrons?
Conductor
What is the fundamental property of electrical charge that states charge is neither created nor destroyed?
Charge is neither created nor destroyed
When does voltage create a deficit at another point in a circuit?
When there is a net loss of electrons in a system
What creates a system of potential energy based on the force resulting from the separation of charges?
Electric field
What is the correct definition of an ion based on the given information?
A molecule with a net gain of electrons and a positive charge
What type of material allows the free movement of electrons based on the information provided?
Material with low resistance to electron flow
What is the physiological impact of therapeutic electrical stimulation determined by?
Frequency
Which type of material disrupts the free movement of electrons?
Insulator
What is the continuous unidirectional flow of ions or electrons for at least 1 second called?
Direct current (DC)
Which mode of neuromuscular stimulators uses preprogrammed parameters to offer varying physiological benefits?
Neuromuscular stimulation (NMES)
What represents the driving force that changes the relative concentration of electrons in a closed system?
Voltage
Explore the fundamental properties of electrical charge, including types of charge, behavior of charges, and the concept of current. Delve into the principles of net charge, ions, and the transfer of charge between objects.
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