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Power factor correctionThree parallel impedances in rectangular form as follows:-8.66+j5 ohm , 25+j0 ohm , 3.54+j2.54.
A 240 volt 50 Hz supply
Calculate overall power factor of the three loads.
What are some marketing objectives for a music festival?
Waves Company purchased a patent for $170,000 at the beginning of 2011, and estimated that its expected useful life was 10 years. The patent has a legal life of 17 years. What amount should be recorded as amortization expense for the patent in 201..
A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature?
In order to sustain operations and generate sales and cash flow, the firm required to make $1250 of capital expenditures on new fixed assets and to invest $300 in net operating working capital. By how much did the firm's net income exceed its free..
Richman Company for $30,000,000. The following details pertain to the contract: Percentage of completion Estimated total cost of contract Gross profit recognized to date At December 31, 2007 25% $22,500,000 1,875,000 At December 31, 2008 60% $25,0..
Is a body temperature of 99.00F unusual? Why or Why not? d)fifty adults are randomly selected. What is the likelihood that the mean of their body temperatures is 97.98F or lower?
Power factor improvement, An industrial user has a number of machine tools which are driven by three phase induction motors. during a particular shift, the power factor of the combined load can vary between 0.65(100 KVA load) and 0.81 (20 KVA) loa..
What is the mass of sugar in 735g of a 19.85% sugar solution?
Produce a scatter plot of MCG attendance (dependent variable) against combined club membership (independent variable) and comment on the apparent relationship between these variables.
A $30,000 recently completed feasibility study indicated that the firm can employ an existing factory owned by the firm, which would have otherwise been sold for $150,000. The firm will borrow $750,000 to finance the acquisition. Total interest ex..
A sinusoidal voltage has a maximum value of 100V, and the value is 10V at t=0. The period is T=1ms. Determine the angular frequency, w, in rad/sec.
Measurements show that for a particular arrangement of the equipment and at a particular amplifier setting, the system will howl if 1% of the output power is fed back to the microphone. Estimate the power gain of the P.A. amplifier in decibels.
Determine ideal impulse response using inverse discrete-time Fourier transform. An ideal low-pass filter is described in the frequency-domain by
Approximation of quarter circle using Bezier curve, Determine the Bezier curve of order 3 that approximates a quarter circle centered at (0,0), (1,0), (0,1).
Write a short technical report on Frequency Division Multiplexing
Finding the periodicity in N of the discrete time signal x(n) = Cos(3pi*Ts.n + pi/4) and then plotting the discrete signal. From this the condition on the sampling period is determined
Complex Voltage = 10-j20. try to convert it to polar coordinate with my Ti 89 but I keep getting my answers in arc tan.
What is the attenuation per octave between 1 kHz and 10 kHz? What is the increase in attenuation between 5 kHz and 10 kHz?
Consider a communications channel with a passband of 3 kHz to 27.4 kHz. A modem will be connected to this communications channel and the modem will operate with a signaling rate that is 0.56 the maximum allowable signaling rate for this communicat..
What is the symbol rate and what is the bandwidth occupied by the 16-QAM signal? The link must maintain a BER no higher than 10^-6. What is the minimum CNR in the receiver to meet this requirement?
What is the RF bandwidth occupied by signal? What is the frequency range of the transmitted RF signal?
What is correct symbol rate (pulse rate) for this link? What is the bit rate with BPSK modulation? What is the bit rate with QPSK modulation?
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