4 A(1 50 15 N Figure P2.34
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Q: Figure P2.11 40 V (+ a. Find i. find the power supplied by the voltage source. 2.5 ΚΩ
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Q: . Define or explain the following terms: h) power i) energy j) independent voltage source k)…
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Q: a. Find i,. b. Verify the value of i, by showing that the power generated in the circuit equals the…
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Find the values of i1 and i2 in Figure P2.34. Find the power for each element in the
circuit, and state whether each is absorbing or delivering energy. Verify that the total power
absorbed equals the total power delivered.
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- Q2A). Draw a neat-labeled diagram of a solar water heater that can be used in a University.When electricity is transported from a power station to a city, the line voltage (relative to ground) is usually on the order of several hundred thousand volts. A power line cable has a radius of a = 2.0 cm, is made of aluminum with a resistivity of ρ = 2.7×10−8 Ω ⋅ m, and spans a distance of l = 100 km from a power station to a city. The city consumes 100 MW of power (so I2RL =100MW). (a) Find the resistance of the power cable between the station and the city(i.e.,between points A and B). (b) Suppose that the line voltage ∆VBC = 120 V. i. How much current is required to flow through the power line to deliver 100MW of power to the city? ii. How much energy is lost as heat between points A and B? (c) Suppose that the line voltage ∆VBC = 300 kV. i. How much current is required to flow through the power line to deliver 100MW of power to the city? ii. How much energy is lost as heat between points A and B?What is the size in square milimeter (mm2) is the cable of 250 MCM size? Calculate the temperature coefficient of resistance of aluminum at 300C and uses it to find the resistance of an aluminum wire at 700C if the wire has a resistance of 40 Ω at 300
- Electrical Engineering 1. What voltage(s) should you provide when you power the Arduino through the barrel jack? How much current can be made available to the Arduino through this port? Does this port have any protection on it? 2. When you are powering the board using the barrel jack, what does the Vin pin do? 3. When you are powering the board using one of the ports mentioned above, how much current can you draw from the 5V pin? What about the 3.3V pin? What about a regular I/O (digital or analog) pin? 4. What voltage(s) should you provide when you power the Arduino through the Vin pin? How much current can be made available to the Arduino through this pin? Does this port have any protection on it? 5. What voltage(s) should you provide when you power the Arduino through the 5V pin? How much current can be made available to the Arduino through this pin? Does this port have any protection on it? 6. How much power does a normal 9V battery contain? How long could you run an Arduino board…Electrical Machines Q2.6A specification sheet of a smart meter states that its rated current is 100 A and power dissipation is 3 W. It employs a current-sensing resistor of 200 μ. When the load current is at the rated value of the meter, calculate the power dissipation in all the other components of the meter.