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A potentiometer being calibrated and then measuring an unknown voltage. R 1 is the resistance of the entire resistance wire. The arrow head represents the moving wiper.. In this circuit, the ends of a uniform resistance wire R 1 are connected to a regulated DC supply V S for use as a voltage divider.
Potentiometry passively measures the potential of a solution between two electrodes, affecting the solution very little in the process. One electrode is called the reference electrode and has a constant potential, while the other one is an indicator electrode whose potential changes with the sample's composition.
A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. [1] If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat.
Since Pakistan emerged on the map of the world in 1947, the examinations of the matriculation and intermediate level were conducted under the aegis of University of the Punjab. However, through the promulgation of the Punjab University Act (Amendment) Ordinance 1954, the Board of Secondary Education, Punjab was established in the province which ...
Board Established City Website Refs Catholic Board of Education, Pakistan: 1961 Karachi [47] Lahore [48] [49] Diocesan board of education, Pakistan 1960 Islamabad, Rawalpindi [50] [51] Presbyterian Education Board Pakistan Lahore, Punjab
CHART #4: SIDE-BY-SIDE COMPARISON OF REPUBLICAN CANDIDATESÕ HEALTH PLANS By Susan J. Blumenthal, M.D., Jessica B. Rubin, Michelle E. Treseler, Jefferson Lin, and David Mattos*
President Joe Biden signed the Social Security Fairness Act into law Sunday afternoon, marking what is expected to be one of the last major pieces of legislation of his presidency. Prior to ...
Philadelphia Eagles (12-3), NFC East leaders: Rough Sunday. They lost their 10-game winning streak, an opportunity to wrap up the division and fell a game behind Detroit and Minnesota in the race ...