A generating station is producing 1.4 x 106 W of power that is to be sent to a small town located 5.6 km away. Each of the two wires that comprise the transmission line has a resistance per length of 4.5 x 10-2/km. (a) Find the power lost in heating the wires if the power is transmitted at 1600 V. (b) A 100:1 step-up transformer is used to raise the voltage before the power is transmitted. How much power is now lost in heating the wires?

Q: A transformer on a pole near a factory steps the voltage down from 3,600 V (rms) to 120 V (rms). The…

A: Primary voltage (vp) = 3600 V Secondary voltage (vs) = 120 V Power delivered to the factory (Ps) =…

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A: The potential of the batteries is VB=9.0 V The current in the batteries is IB=249 mA The potential…

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Q: A transformer has a primary voltage of V,= 400 V and primary current of I,= 1.5 A. If the measured…

A: Given : primary voltage, Vp = 400 V              primary current, Ip = 1.5 A              Secondary…

Q: A generator supplies (2.460x10^2) V to the primary coil of a transformer. The primary has 50 turns…

A: Given data :  Voltage in primary coil Vp = 2.460 × 102 V  Number of turns in primary coil Np = 50…

Q: nas ). The output voltage of the generator is 4.50 kV. (a) What is the line loss if a transformer is…

A: GivenResistance per unit length=4.3×10-4 ΩmPower Tansmitted, P=5 MW=5×106 WLength over which power…

Q: A transformer has 400 turns on its secondary and 100 turns on its primary. The primary is connected…

A: Given :     Number of turns in primary, NP = 100    Number of turns in secondary, NS = 400…

Q: A generating station is producing 1.4 x 106 W of power that is to be sent to a small town located…

A: Given: P = 1.4*106Wd = 5.6 kmr = 4.5*10-2 Ω/KmV=1600 VNs/Np=100/1

Q: A transformer converts 150V to 30V. If the maximum input current is 2.8A, find the maximum output…

A: Given that, Primary Voltage, Vp =150 V Secondary Voltage, Vs =30 V Primary current, Is=2.8 A…

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Q: A small town with a demand of 800 kW of electric power at 220 V is situated 15 km away from an…

A: a) Total resistance= On substituting Power loss=

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A: The equation for the current in terms of power and voltage is,

Q: -. If the peak value of the alternating current in a 950 W device is 5.0 A, then what is the rms…

A: Io=5Amp Irms= Io/√2=5/√2 Amp

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Q: The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket…

A: Given that primary and secondary voltages and secondary current in the transformers Vs = 9 V Is =…

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A: Part (a)Find the relation between current, power and voltage.

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A: The power dissipated in a resistor connected to an AC source is, Pavg=I2rmsRthen, Pavg=I2R2 the…

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A: (a) The voltage output of the secondary coil is VS=NSNPVP=90010014 V=126 V Therefore, the output…

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A: a) Let the primary winding’s number is Np and the secondary winding’s number is Ns. The voltage in…

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A: (a)Write the relation between turns of winding and voltage between primary and secondary winding.

Q: An electric power station is producing 280 kW of power that is to be sent to a small town located…

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Q: A generating station is producing 1.1 x 10° W of power that is to be sent to a small town located…

A: Power generated (P) = 1.1×106 Watt distance (d) = 7.5 km resistance per unit length of each wire =…

Q: A transformer has 400 turns on its secondary and 100 turns on its primary. The primary is connected…

A: Given: The number of turns in primary coil is N1=100 The number of turns in secondary coil is…

Q: The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket…

A:

Q: The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket…

A: Vs = 9 V Is = 252 mA = 0.252 A Vp = 120 V

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Q: A transformer is used to supply a 14 V model train with power from a 138 V wall plug. The train…

A: A 14 V train is supplied power by a 138 V wall plug.

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A: Given: A solar panel produces a current of 8.65 A at a potential difference of 148 V.  The…

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Q: A transmission line that has a resistance per unit length of 4.20 ✕ 10-4 Ω /m is to be used to…

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