Discuss the limitations in the application of Kirchhoff's Law to railway and other power systems. In what manner do these circuits differ from the usual battery circuits from which the EMFS and resistances only are given?

Discuss the limitations in the application of Kirchhoff's Law to railway and other power systems. In what manner do these circuits differ from the usual battery circuits from which the EMFS and resistances only are given?

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 4PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....

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Concept explainers

Thermistors

A thermistor is a special type of resistor whose resistance is more temperature-dependent than standard resistors. The resistance of the thermistor decreases with increasing temperature. This is the basic principle of thermistors. This allows the thermistor circuit to detect very small temperature changes that cannot be observed with the Resistance temperature detectors (RTDs) or the thermocouples. Since the resistance of a thermistor is temperature dependent, it can be connected to an electrical circuit to measure body temperature. This high sensitivity to temperature changes makes thermistors very useful for accurately controlling and calibrating temperature measurements. In general, resistance increases with increasing temperature in most metals, but thermistors react negatively.

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hi pleasee help me answer this question

3. Discuss the limitations in the application of Kirchhoff's Law to
railway and other power systems. In what manner do these circuits
differ from the usual battery circuits from which the EMFS and
resistances only are given?

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