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EXPERIMENT 3:Measurement of unknown resistance using Carey-Foster's Bridge. Debangshu Mukherjee. BS.c Physics,1st year. Chennai Mathematical Institute. 19.09.2008. 1 Aim of experiment. We are going to determine the value of an unknown resistance using a meter- bridge and then make furthur accurate
In electronics, the Carey Foster bridge is a bridge circuit used to measure medium resistances, or to measure small differences between two large resistances. It was invented by Carey Foster as a variant on the Wheatstone bridge. He first described it in his 1872 paper "On a Modified Form of Wheatstone's Bridge, and
method. 23. 6. Estimation of a small resistance using Carey Foster's bridge. 27. 7. Estimation of refractive index and study of dispersion relation of a given prism using a spectrometer. 31. 8. Estimation of wavelengths of a CFL using plane transmission grating and optical spectrometer. 35. 9. Frank Hertz experiment. 43. 10.
While performing this experiment, you will balance the Carey Foster bridge by a null deflection method using a galvanometer. You will first Theory. The aim of the experiment is to determine the resistance per unit length, ? of the. Carey Foster's bridge wire and hence to find the Combining Equations 2 and 3, we obtain.
Carey Foster Bridge - Download as PDF File (.pdf), Text File (.txt) or read online. This increases the accuracy of the bridge.wire. thus varying the magnitudes of resistances R and S. While performing this experiment you will balance the Carey Foster bridge by a null deflection method using a galvanometer. Apparatus
Aim of the Experiment: To determine the resistance per unit length of a Carey Foster's bridge wire and then to find the resistivity of the material of a given wire. Apparatus Required: Carey Foster's bridge, Leclanche cell, Weston galvanometer, 1– Ohm coil,. Sliding rheostat of small resistance, Plug key, Thick copper strips,
RESISTANCE COILS. By Frederick W. Grover and Harvey L. Curtis. CONTENTS. Page. I. Introduction. 456. Preliminary notions. 456. II. Historical .,. 458. Potentiometer methods. 459. Resonance methods. 459. Dynamometer methods. 459. Bridge methods. 460. III. Measurement of the Inductance of Coils of Low Resistance.
6.2 Measurements Using a Bridge. Wheatstone's Bridge. Carey Foster's Bridge. 6.3 Setting up the Apparatus. 6.4 Experimental Procedure. Measurement of Resistance per Unit Length. Determination of Unknown Resistance. EXPERIMENT. MEASUREMENT OF LOW RESISTANCE. USING CAREY FOSTER'S BRIDGE. 6
BE Physics Laboratory Manual. Department of Physics, BIT Patna Campus. Page 10. Experiment No. 02. 2.1 Objective. To determine the resistance per unit length of a Carey Foster's bridge wire and resistivity of a given wire. 2.2 Apparatus required. A Carey Foster's bridge, a Leclanche cell, Weston galvanometer, a 1 -
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