1. A certain factory machine uses 85 BTU/s to operate. If there are 2 identical machines running at the same time in the factory for 7hrs a day, what is the annual cost of energy at P 0.8 per kilowatt-hour?

Q: Determine the voltage dropped across R, given: , = 218 V, R, = 15 Q, R2 = 13 2, R = 39 2, and R4 =…

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Q: In the figure &₁ = 3.82 V, &₂ = 1.32 V, R₁ = 5.14 Q, R₂ = 2.69 №, R₂ = 3.61 N, and both batteries…

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Q: Identify three Energy measuring devices and explain the following to them 1. Technical…

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Q: In what ways IoT energy efficient? discuss and explain it in one paragraph using your own words

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Q: Two wires A & B made from two different materials have temperature coefficient of resistance equal…

A: GIVEN:              αA=0.0025Ω/°CαB=0.0005Ω/°CRT=1200ΩαT=0.001Ω/°C FIND: length of wire A

Q: Q2/ what is the permeability? Explain it with draw.

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Q: What are the factors that affect the value of electrical resistance?

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Q: A is measured in coulombs, B is measured in seconds, C is measured in volts, and D is measured in…

A: Note:  We assume t2   as t.  in the given equations, 't' is mentioned not 't2' The value of…

Q: List 30 electrical symbols with description

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Q: c) For electric circuit in Figure Q1 (c), determine /, l2 and loz. l2 D1 Si V1 12 V D2 lo2 Si R1 3kQ…

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Q: We obtained the following values from measurements of the resistance of 147.2. 147.4, 147.9, 148.1,…

A: Given: Values from measurements of the resistance, 147.2, 147.4, 147.9, 148.1, 147.1, 147.5, 147.6,…

Q: 2. List three differences between a P-type and an diagram) N-type semiconductor. (you can use

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Q: The 'skin effecť is a phenomenon experienced when current flows through a metal. Which two of the…

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Q: Identify the given statement. The current is defined as the electric charge passing through the area…

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Q: 23. (a) Find the equivalent resistance between A and B in the circuit in Figure below. b)i State the…

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Q: Calculate the resistance of 100 meters length of a wire having a uniform cross- sectional area of…

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Q: What is VR2

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Q: Hello Sir. Good Evening. I have a question in my home work related Electricity Lesson. The…

A: Given, current flowing from wire, I=15 Ampheres Voltage applied,V=220 Volts diameter of wire, d=5mm,…

Q: By doing the " Coloumbs Law Lab " how do you calculate the electric force on suspended balloon and…

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Q: V2 R2 = 6.8 kN (v, R3 = 3.9 kQ A D R, = 1.0 kN R5 = 2.2 ko R4 = 4.7 kN V, = 5 V Figure 1.1:…

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Q: A rectangular bus bar has a cross-section of ½ by 1 ¾ inch. And is 25ft long. What is its resistance…

A: Given: Cross-section of ½ by 1 ¾ inch25 feet=7.62 mT=20oC

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Q: 2. From the figure below, Fig. 1, if the voltage drop across the 7 0 is 24 V, find the supply…

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Q: 2.Fringing effect is a phenomena occurs in ........... (a) Transformers. (b) Electrical field. (c)…

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Q: A copper wire has a temperature coef of resistivity of 0.0054 degree c-1.Whe placed in a water bath…

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Q: Needs Complete solution with 100 % accuracy.

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Q: 1. Explain the law of resistance. 2. Explain the effects of temperature on resistance.

A: we need to explain given statements.

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.