112ELECTRICAL CIRCUITS-DIRECT CURRENT* 18. The wiring arrangement shown in Fig. 4:26 is known as an Edison three-wiresystem. For the values indicated, calculate (a) E, E, and Eo; (b) the powerdelivered to loads A, B, and C. .0.150(+)E-120Load AEA 50 amp0.15nLoad CEc 20 ampww(+)Load BEz=120EB30 ampwww0.15 NF1o. 428 Edison three-wire system for Prob. 16.

we need to determine EA, EB, EC and power delivered to the load A, B and C.

Answered: CIRCUITS-DIRECT CURRENT 16. The wiring…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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(c) A PV cell of area 4.0 cm. having a short-circuit current of 50 mA/cm, open - circuit voltage of 0.4V and a fill factor of 60 %. By connecting 36 identical PV cells in series to make PV module .Ignore the loss of electrical energy due heat then (i) Calculate the area of a PV module (ii) Find the short circuit current of a PV module (iii) Find the open circuit voltage of a PV module. (iv) Calculate the theoretical power of a PV module (v) Calculate the power delivered by the PV module at the maximum power point
The headphones have a resistanceof 600Ω . The headphone amplifier in a battery-powered deviceis designed to deliver 0.1 W to the headphones. If theresistance of the headphones is 24 , calculate thevoltage and current required from the dependentvoltage source (Av in our model) to deliver 0.1 Wto the headphones. How much power is deliveredfrom dependent source? How much power is lost inthe output resistance?
a) A 380V, 7.5kW electric water pump of power factor 0.8 lagging and efficiency of 85% will be wired by an armoured XLPE insulated copper cable. The circuit will be run on cable tray with three other similar circuits at an ambient temperature of 40℃. MCCB will be used as the overcurrent protective device for the circuit. The estimated length of the circuit for the machine is 50m. i) Determine the minimum rating of MCCB for the circuit, available MCCB rating are 25A, 30A, 40A, 50A ii) Determine the minimum cable size of the circuit if the allowable voltage drop of the circuit is 1.5% of the nominal supply voltage?
Advanced equipment 14. The equipment grounding conductor of a PV solar system that bonds to the framework of the solar panels must be sized slightly larger than expected, since the A. panels are mounted outdoors and may be prone to corrosion over their lifespan.B. AC inverter system on a utility connected system can backfeed energy into the panels.C. panels may be contacted by metal ladders during service work or during repair of the roofing structure. D. lower output current levels may cause the overcurrent device to take longer to trip.
A 500 W heating coil, designed to operate at 110V, it is made of 0.500mm diameter nichrome wire. a) If the resistivity of nichrome remains constant at 20.0 ° C, determine the length of the wire used. b) What will be the power given to the coil from part (a) when heated to 1200 ° C? c) If the electric company charges B/0.16 per kW-h, how much you will have to pay to keep the heating coil working at this temperature for 45 minutes?
TOPIC: Power Systems, Power Plants & IlluminationINSTRUCTIONS:- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.- Step-by-step solution, do not skip even simple calculations to avoid confusion.- If answered in written form, make sure it is readable.PROBLEM:It is required to provide illumination of 150 meter-candle in a factory hall 45m x 15m. Assume that the depreciation factor is 0.80, the coefficient of utilization is 0.40 and the efficiency of the lamp is 20 lumens per watt. Calculate the number of 250-W lamps. 63 62 61 60
b. Due to the water crises that hit your area of residence last year, your landlord built an underground water tank for all the tenants in the house. The dimensions of the tank is 400mm x 300mm x100mm. Assuming the mass of the tank is 56.8Kg. Prove that the Relative Density of the water tank is 4.73.
TOPIC: Power Systems, Power Plants & IlluminationINSTRUCTIONS:- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.- Step-by-step solution, do not skip even simple calculations to avoid confusion.- If answered in written form, make sure it is readable.PROBLEM:A factory space of 33 m x 13 m is to be illuminated with an average illumination of 72 Im/m² by 200 W lamps. The coefficient of utilization is 0.4 and the depreciation factor is 1.4. Calculate the number of lamps required. The lumen output of a 200-W lamp is 2,7301m. 30 35 45 40
A twelve volt battery is joined to a series circuit with an inductance of 0.5 henry and a 10 ohm resistance. Assuming E stays the same(i.e constant), a.If the starting(initial) current is zero, find the current i. b.As t approaches infinity, what is the limiting value of the current? Formula Guide below: Ldi/dt + Ri = E(t) --Differential eqn of LR series circuit, L=Inductance R=Resistance E(t)=Voltage i(t)=Current
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a) A moving-coil galvanometer, of resistance 5 Ω,gives a full-scale reading when a current of 15 mApasses through the instrument. Explain, with theaid of circuit diagrams, how its range could bealtered so as to read up to: (i) 5 A; (ii) 150 V.Calculate the values of the resistors required.(b) A uniform potentiometer wire, AB, is 4 mlong and has resistance 8 Ω. End A is connected tothe negative terminal of a 2 V cell of negligibleinternal resistance, and end B is connected to thepositive terminal. An ammeter of resistance 5 Ωhas its negative terminal connected to A and itspositive terminal to a point on the wire 3 m fromA. What current will the ammeter indicate?

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