Examlex
Which of the following describes the difference in light intensity between the brightest white and the darkest black that can be displayed on an LCD monitor?
Efficiency
The ratio of the useful output of a system to the input, expressed in percentage, indicating the system's ability to convert energy or resources into output effectively.
Cooling
The process of removing excess heat from a system to maintain optimal operating conditions, often critical in electrical and electronic systems to prevent overheating.
Synchronoscope
An instrument used to determine the exact point at which two alternating currents achieve synchronism, often used in the synchronization of generators.
Voltage
The electrical potential difference between two points in a circuit, which drives current flow.
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