A Wheatstone Bridge is an electrical circuit used to measure an unknown electrical resistance by balancing two legs of a bridge circuit.
Who invented the Wheatstone Bridge?
The Wheatstone Bridge was invented by Samuel Hunter Christie in 1833, but it was popularized by Sir Charles Wheatstone in the 1840s.
How does a Wheatstone Bridge work?
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.
What is the principle of a Wheatstone Bridge?
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.
What are the key components of a Wheatstone Bridge?
The Wheatstone Bridge consists of four resistors, a galvanometer, and a power source.