Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Chapter 26, Problem 46SP
To determine

The resistance of Manganin wire at 60 °C if at 20 °C, the resistance is 100 Ω.

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cs-IIB Physics-IIB 500 75.J In a potentiometer experiment, the balancing nown length with a cell is 560cm. When an external fo aps of resistance of 10 ohms is connected in parallel to the cell the balancing length changes by 60 cm. The internal resistance of the cell in ohms is: When 2,the 1) 3.6 2) 2.4 1.2 4) 0.6 (76) The resistivity of a potentiometer wire is, if the area of cross section of the wire is 4cm? the current x' is flowing in the circuit is 1A,the potential gradient is 7.5 v/m Own ght t is 3 × 103 2-m 2) 2 x 1062-m 3) 4 x 1022-m 4) 5 x 1042-m A potentiomete wire of 10m length and 20 Ohm resistance is connected in series with a resistance R ohms and a battery of emf 2V, negligible internal resistance. Potential gradient on the wire is 0.16 millivolt/centimetre then R is---ohms A 230 77. ea 1) 50 2) 60 4) 46.6 gREDMI NOTÉ GIPRO meter has a wire of 100cm length MI DUAL CAMERA and its resistänce is 10 Ohms. It i 2021/11/17;22effes nected in
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