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The surface temperature of a 100. W incandescent lightbulb is 60.0°C. The surface temperature of a 20.0 W fluorescent tube producing the same amount of light as the 100. W incandescent lightbulb is 30.0°C.
Determine the steady state irreversibility rate of each light source when the local environmental temperature is 20.0°C, and comment on which is the more efficient.
The matlab code which works for one sensor once the bluetooth module is connected to the laptop bluetooth the data will be continously recieving.
A three-phase, wye-connected, 400-V, four-pole, 60-Hz induction motor has primary leakage impedance of (1+j2) ohms and secondary leakage impedance referred to the primary at standstill of (1+j2) ohms.
Questions 1. Describe what is meant by the voltage gain of an amplifier 2, What is the primary purpose of a coupling capacitor ub transistor amplifiers?
Name an application in industry that uses inductors and/or capacitors in its operation.
One colomb is the total charge associated with 6.242*10^18 electrons. How many electrons will pass through a conductor if 50 microamperes of current flows for 5 seconds
Energy per unit length. A line of charge with line charge density PI is surrounded by a dielectric layer as shown in Figure 4.80. The permittivity of the layer is ε. Calculate the energy per unit length stored in the cylinder (a ≤ r ≤b.
Plotting Continuous time signal, Consider the following continuous signal: x(t) = 10e^-3t u(t) Using Matlab, plot the continuous-time signal over the range -1=
Compute the energy in BTU and kWh to heat 1000 lb of water from 77°F to 100°F - How much coal will be needed to burn for the same job?
1. Determine the peak-to-peak current ripple in the output inductor for a forward converter and determine the output voltage ripple of the converter. We know the following parameters: duty cycle d, input voltage Vin, turn ratio.
A single-phase circuit is placed across a 120-V rm, 60-Hz source, with an ammeter, a voltmeter, and a wattmeter connected. The instrucments indicate 12 A, 120 V, and 800 W, resppectively. Find (a) the power factor, (b) the phase angle
A60-Hz induction motor is needed to drive a load at approximately 850 rpm. How many poles should the motor have? What is the slip of this motor for a speed of 850 rpm?
A dc motor has an armature resistance of 0.2Ω and an armature inductance of 5 mH. It is driven by a power converter of gain, kPWM = 100 . Design a controller for the armature current loop such that the crossover frequency is 2 kHz and the steady st..
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