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What is a Wheatstone Bridge?
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A Wheatstone Bridge is an electrical circuit used to measure an unknown electrical resistance by balancing two legs of a bridge circuit.
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Who invented the Wheatstone Bridge?
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The Wheatstone Bridge was invented by Samuel Hunter Christie in 1833, but it was popularized by Sir Charles Wheatstone in the 1840s.
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How does a Wheatstone Bridge work?
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A Wheatstone Bridge works by adjusting the known resistors until the voltage between two points is zero, indicating a balanced state and allowing for the calculation of an unknown resistor.
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What is the principle of a Wheatstone Bridge?
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The principle of the Wheatstone Bridge is based on the null deflection method – when no current flows through the galvanometer in the circuit, it indicates that the bridge is balanced.
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What are the key components of a Wheatstone Bridge?
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The Wheatstone Bridge consists of four resistors, a galvanometer, and a power source.
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