Examlex
A Chinese site that is considered a hybrid of Twitter and Facebook in China with more than 300 million users is ________.
Relays
Electrically operated switches that open or close circuits when activated, used in various applications to control high power or high voltage devices with low power signals.
Series Circuits
Electrical circuits in which components are arranged in a sequence such that the current flows through each component one after the other.
Voltage Drops
A reduction in voltage across a component or section of a circuit, indicating resistance or a loss of electrical power.
Resistance
A measure of the opposition to current flow in an electrical circuit, affecting how much current flows for a given voltage.
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