Download Bridge and Potentiometer Methods of Electrical Measurements by K. Karandeyev PDF

By K. Karandeyev

Show description

Read Online or Download Bridge and Potentiometer Methods of Electrical Measurements PDF

Best electronics books

Learn Electronics with Arduino

Have you puzzled how digital instruments are created? Do you've got an idea for a brand new proof-of-concept tech equipment or digital toy yet don't have any method of checking out the feasibility of the equipment? have you ever gathered a junk field of digital components and at the moment are considering what to construct? research Electronics with Arduino will solution those inquiries to studying cool and cutting edge functions for brand spanking new tech items utilizing amendment, reuse, and experimentation options.

Electronic Devices and Circuit Theory (11th Edition)

Digital units and Circuit thought, 11th version, bargains a whole, complete survey, targeting the entire necessities it is very important be triumphant at the task. atmosphere the traditional for almost 30 years, this hugely actual textual content is supported via powerful pedagogy and content material that's excellent for brand new scholars of this swiftly altering box.

EDA: Where Electronics Begins

EDA (Electronics layout Automation) refers back to the desktop courses which are used to layout all of modern digital parts and items. the matter is that there are extra EDA instruments than you could throw a stick at, and the myriad ways that they are often used jointly will make even the most powerful brain boggle.

Extra resources for Bridge and Potentiometer Methods of Electrical Measurements

Sample text

5 W Maximum power output . • 5 W Nonlinear distortion! 5 per cenf at maximum power outpuf into 5 kiloohms load. •• below 2 per cent The output impedance of the oscillator is designed for mafched loacfs of • 50 200 600 and 5,000 ohms. . ' .. , . , Th~ frequency response with respect fo the 400 cIs level js: 50-10,000 cIs . . . •. flat to within ± I db 20-20 ,000 cIs . . . . 5 db The range of the output voltmeter Is 60 V. The Type 3r·11 and the Type 3f-12, also avalJable commerclalJy, do not dilTer in principle from the.

Firstly, there is a marked asymmetry in the relative magnitude of the resistances in the Kelvin bridge. Indeed, the resistances R x ' R Nand r may be neglected in determining the output resistance, since they are very small in comparison with Ra=R; and R. ). , we get: • c'lx = AR . x. /. . )= R x I (R x + RN) = R:I (R;+ R:j, (5-34) and substituting these expressions in Eq. (5-33), we finally have' , (5-31) The above expression is still inconvenient for use, since the actual values of the resistances must be substituted in it.

5·37) we get Ve4 = YP1R1 (~Rl/R1) = YP 1R18, (5-39) where 8=~R1/R1 is the relative change in the arm R 1. As follows from Eq. (5-39), for the same permissible power dissi­ pation, maximum sensitivity will be obtained with sensing elements having maximum resistance. . 2. As in (1), the supply voltage is limited by the permissible power dissipation in the unknown resistance; it is required to obtain maximum output power in the detector circuit. t1 o tI Fig. 5-7 Fig.. 5-8 Likewise, this case often occurs in measuring nonelectrical quanti­ ties by electrical methods, when the detector is directly connected to the output of a bridge.

Download PDF sample

Rated 4.41 of 5 – based on 19 votes