Sustainable Energy
2nd Edition
ISBN: 9781337551663
Author: DUNLAP, Richard A.
Publisher: Cengage,
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Chapter 1, Problem 12P
To determine
Find the power loss to transmit 100 kW of power with the voltage of 200 kV.
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- Is the flow of conventional 2 points current from negative to positive terminal? * YES O NO What object did Mr. Benjamin 2 points Franklin put on the kite when he discovered the direction of conventional current? * Your answer If there is a potential 2 points difference of zero in any two points in a circuit, is the current still flowing? * O YES NOarrow_forwardThe horizontal pump in Fig.1 discharges water at 57 m3/h. Neglecting Losses,What power in KW is delivered to the water by the pump? A-836 watt B-8360 watt C-8362 watt D-83600 wattarrow_forwardA certain parallel-plate capacitor is filled with a dielectric for which K = 6.50. The area of each plate is 0.0524 m², and the plates are separated by 2.97 mm. The capacitor will fail (short out and burn up) if the electric field between the plates exceeds 179 KN/C. What is the maximum energy that can be stored in the capacitor? Number i ! Units Jarrow_forward
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- 2. Consider the system described in the news: at night, when there is energy left, water is pumped from a large lake to a reservoir at 80 m above the lake level. During the day, this water is used to generate energy in a turbine located 80 m below the elevated reservoir. Considering that the water flow is always 5000 liters/s (both at the inlet of the reservoir and at the outlet) and that the pump and turbine efficiencies are 70%, what is the power (in kW) required by the pump and the power (in kW) recovered in the turbine. Data: The pipe diameter is always the same along the system (d = 0.5 m); g = 10 m/s2; γ = 9810 N/m3. Matter transport phenomena; Please make it typeable as handwriting interferes with understandingarrow_forwardTwo automobile headlights are connected in series to a 25 Volts battery each having a resistance of 1.0 Ohm and 2 Ohms respectively. What is the current flowing in the circuit? (in ampere)arrow_forward三 2 Question 7 An 1800 W toaster, a 1400 W electric frying pan, and a 75.0 W lamp are plugged into the same outlet in a 120 V circuit. (The three devices are in parallel when plugged into the same socket.) a) What is the voltage on each device? b) What current does each device draw? c) What is the total current drawn? d) Would this combination 'blow' the 15.0 ampere fuse? DOO O00 DII DD F3 F4 F5 F6 F7 F8 F9 %23 & !! 云arrow_forward
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