Examlex
Which one of the following statements is accurate?
Moving Coil
A type of electromagnetic actuator where a coil within a magnetic field moves when current flows through it, commonly found in loudspeakers and galvanometers.
Ammeter Shunt
A device used to change the full scale value of an ammeter by providing another path for current flow. Most ammeter shunts produce a voltage drop of 50 millivolts when rated current flows through them.
Low-resistance
A characteristic of a material or component that allows a large amount of electrical current to pass through with minimal opposition.
Spike
A sudden, sharp increase or peak in the magnitude of a variable, often used in the context of electrical voltage or signals.
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