Examlex
The ____ value must be found when a sine wave AC voltage is changed into direct current.
Electroencephalogram
An electroencephalogram (EEG) is a test that records electrical activity in the brain, used to diagnose neurological conditions and for scientific research into brain functions.
Electromyogram
A diagnostic test that measures the electrical activity of muscles in response to stimulation.
Functional MRI
Magnetic resonance imaging uses a magnet to obtain scans of structures of the brain. Functional magnetic resonance imaging (fMRI) provides information on the amount of activity in different brain structures.
Electrocardiogram
A medical test that records the electrical activity of the heart to detect heart problems.
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