8. An electric power station is producing 250 kW of power that is to be sent to a small town located 39.0 km away. Each of the two wires that comprise the transmission line has a resistance per kilometer of length of 0.20 N/km. Find the power lost in heating the wires if the voltage is stepped up from 1.60 kV to 16.0 kV using an ideal transformer. kw

Q: A 400-W computer (including the monitor) is turned on for 8.0 hours per day. If electricity costs…

A: Given  Power p= 400 W  Time t = 8 h  electricity costs 10¢ per kWh,

Q: 9. An electric power station that operates at 35 kV and uses a 10:1 step-up ideal transformer is…

A:

Q: When coal is burned in a power plant, it releases approximately 30 kJ of energy for every gram of…

A:

Q: 8. An electric power station is producing 250 kW of power that is to be sent to a small town located…

A: Power loss due to heat is  P = i2r

Q: An electric device with effective power 530 mW is connected to an alternating source which gives…

A: We will answer the question by writing formula relating effective (also called RMS) power to…

Q: John uses a 9 W light bulb in his bedroom which he turns on before going to sleep and then turns off…

A: Given data:  Power of light bulb = 9 W Daily uses = 8 hours  Power of LED night light = 1 W Energy…

Q: 3. Consider the following circuit. The switch is closed for a long time and then opened at time t =…

A:

Q: 28. An 11.0 W energy-efficient fluorescent lightbulb is designed to produce the same illumination as…

A: Given: Power of fluorescent lightbulb, P1= 11.0 W = 11.0×10-3 kW Power of incandescent bulb bulb,…

Q: Consider the circuit shown in the figure. S 7.20 (a) What is the current, in amperes, on the 7.2N…

A: since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: . At its normal operating speed, an electric motor draws only 13.0% of the current it draws when it…

A:

Q: 1. When you connect a single resistance R in a single-loop with a power supply, the current is…

A: Note: As per Bartleby guidelines, We will solve the first question only. According to Ohm's law V =…

Q: 7. An electric power station that operates at 25 kV and uses a 10:1 step-up ideal transformer is…

A:

Q: 3. A central air conditioner in a typical American home operates on a 220V circuit (higher voltage…

A: This question is from current electricity.

Q: hat current (in kA) is needed to transmit 130 MW of power at a voltage of 29.0 kV? b. Find the…

A:

Q: 68 kW is to arrive at a town over two 0.060 lines. Estimate how much power is saved if the voltage…

A: Power, Resistance of the wires, Voltage is changing from 120 V to 1200 V and then back to 120 V.The…

Q: A particle accelerator sends high-velocity charged particles down an evacuated pipe. Explain how a…

A: A charged particle travelling at high speeds generates a magnetic field that wraps around the…

Q: A 5 Ω and a 20 Ω resistor are connected in a parallel and a potential difference of 100 volts is…

A: The voltage, current and resistance in a resistor circuit are related as V = iR When two resistors…

Q: 1. A DC circuit is pictured. Assume the batteries are ideal. a. Find the current in the 75.0 Q…

A: Let the current in the upper and lower loop be i1 and i2.  a. According to the KVL, The upper loop,…

Q: . You run your 1500 W microwave in your dorm room for 5.0 minutes to heat your TV dinner. What…

A:

Q: 36. To protect an expensive circuit component from being delivered too much power, you decide to…

A: Given:To protect an expensive circuit component from being delivered too much power,Now,The minimum…

Q: A power plant produces a voltage of 6.0 kV and 150 A. The voltage is stepped up to 250 kV by a…

A: Given that The input voltage and input current  to the transformer are V1 = 6.0 kV , I1 = 150 A…

Q: Electric outlets in England are 230 V. Alice brings her electric kettle from England, where it draws…

A: Voltage in primary, Vp = 120 V Voltage in secondary, Vs = 230  V  current in secondary, Is = 13 A

Q: The average cost energy delivered by electrical transmission to residences in Turkey is 0.25TL/kWh.…

A: Energy consumed is given by, E=P×t P is the power consumption of the device and t time period.

Q: Alternating current electricity is delivered at 22 000 V to a pair of transmission lines. The…

A: The voltage at which the ac electricity is delivered, V=22000 V Potential difference at the…

Q: A 0.30-m-long metal bar is moving to the left at constant speed of 20 m/s perpendicular to a uniform…

A: The induced emf is determined by the rate of flux change

Q: A 300 W driveway light is left on for 24 hours. How much does the energy cost if the power company’s…

A: Given: Power of light bulb, P=300 W =0.3 kW Light bulb left on for, t=24 hours Cost of power, p=50…