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a particular electric utility charges customers different rates depending on their daily rate of energy consuption 0.05khw up to 20 kwh and 0.1 kwh for all energy usage above 20 kwh in any 24 hour period. a) calculate how many 100 w light bulbs can be run continously for less than 10$ per week? b) calculate the daily energy coast if 2000 kw of power is used continuosly?
Design a passive first-order RC low-pass filter with a cutoff frequency fH = 10 kHz. Derive the step response and voltage transfer function.
A 1.80kg , horizontal, uniform tray is attached to a vertical ideal spring of force constant 195N/m and a 290g metal ball is in the tray. The spring is below the tray, so it can oscillate up-and-down.
A radio link receiver has a signal sensitivity of 100 milliwatt. The SNR required is at least 14 dB. Which is the maximum noise allowed in the receiver.
(a) If a motor at the end of a transmission line has a reactance of 8 ohms per phase, what is the maximum power which the machine can develop, given that the sender voltage is 4kV and the induced voltage Eo is also 4kV.
Write a 68000 assembly language subroutine, ROTMEM, which rotates the elements (words-size) of an array stored at location point to by (A0). The depth of the array is stored as the first element.
For the amplifier in Fig. P4.20, the maximum value of VS is 2 V and the op-amp can deliver no more than 100 mA. (a) If +-10 V supplies are used, what is the maximum allowable value of R2 (b) Repeat for +-3 V supplies.
Efficiency of MOSFET circuit provide in datasheets of any product is measured at transient state of my output node or staedy state?
The SV curve can be used to understand the impact of constant power factor shunt compensation support. In this case, the receiving end is injected with a specific amount of reactive power so that the receiving end maintains a constant load power f..
A balanced three-phase 60 Hz source supplies power to a balanced-connected inductive load. The line voltage is 440 V, the line current is 8.2 A, and the power delivered to the load is 5 kW.
A 6 pole round rotor 3 phase star connected synchronous machine has the following test results: Open circuit test: 4000 V line to line at 1000 rev/min, 50 A rotor current Short circuit test: 300 A at 500 rev/min, 50 A rotor current
A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output?
Calculate the lowest 3 energy levels in a quantum well made from InAs, using the infinite potential approximation. Length of the well L = 10 nm.
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