resistors are expected to be 10 ohm according to theory but actual values are dlfferent this is what I observed. The question I posted as a photo. Also the tolerance percentage for this resistors are 5%, if my tolerance is not specified +/- 5% what might be the reasons for the disprepancy?

resistors are expected to be 10 ohm according to theory but actual values are dlfferent this is what I observed. The question I posted as a photo. Also the tolerance percentage for this resistors are 5%, if my tolerance is not specified +/- 5% what might be the reasons for the disprepancy?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter7: Parallel Circuits

Section: Chapter Questions

Problem 7RQ: Four resistors having values of 270,330,510, and 430 are connected in parallel. What is the total...

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Concept explainers

Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

Question

3 resistors are expected to be 10 ohm according to theory but actual values are dlfferent this is what I observed. The question I posted as a photo. Also the tolerance percentage for this resistors are 5%, if my tolerance is not specified +/- 5% what might be the reasons for the disprepancy?

Even though the same 10 k2 color-code valued resistors were selected, the actual measured
resistances of these three 10 k2 resistors are not expected to be same. Is that what you have
observed? If so, why should that be the case?

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