4. A 1-ampere fuse has a resistance of 0.2 ohm. It will melt or blow when the instantaneous current through it is large enough to create power loss of 5 watts. What is the value of the “melting” current? answer asap provide soln

4. A 1-ampere fuse has a resistance of 0.2 ohm. It will melt or blow when the instantaneous current through it is large enough to create power loss of 5 watts. What is the value of the “melting” current? answer asap provide soln

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter2: Basic Electricity

Section: Chapter Questions

Problem 33RQ: What is the voltage of a small electric heater if the heater is drawing 12 amperes and has a...

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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.

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