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(a) Explain why the concentration of dissolved oxygen in freshwater is an important indicator of the quality of the water.
(b) How is the solubility of oxygen in water affected by increasing temperature?
Design an 8-bit register with 2 control inputs s1 and s0, 8 data inputs I7..I0, and 8 data outputs Q7..Q0. s1s0=00 means maintain the present value, s1s0=01 means load, and s1s0=10 means clear. s1s0=11 means to swap
The upper side frequency of an AM signal is 603 KHz. If the carrier frequency is 600 KHz, what is the intelligence frequency
What is the purpose of connecting a transistor and a capacitor together in one circuit and applying different frequencies
Desired D.C. Output : 10 V Load Variation: 0.3 kilo-ohms - 10 kilo-ohms Ripple Factor: Less than 0.1% for 2 kilo-ohms load Load Regulation: Better than 3 mV for a 1 mA change in load current
A 1.2 µF capacitor is initially charged to 50V. How much energy is stored in the capacitor. What will be the voltage on the capacitor after it has been discharged by a 10 µA current for two seconds.
Compute the convolution of each of the following pairs of signals x(t) and h(t) by calculating X(jw) and H(jw), using the convolution property, and inverse transforming. x(t) = te^-2t u(t) h(t) = e^-4t u(t)
Assuming that a 12-bit ADC channel accept analog input ranges from 0 to 20 volts, determine the following a) number of quantization levels b) step size of the quantizer or resolution
Determine whether the following discrete-time systems are causal or noncausal, have memory or are memoryless, are linear or nonlinear, are time invariant or time varying. In the following parts, x[n] is an arbitrary input and y[n] is the response
Air enters an adiabatic nozzle at 3 atm pressure and 100oF and emerges at 1 atm and 30oF. The inlet velocity is negligible. What is the discharge velocity
Show what are the modulating indexes for the two components- design the power distribution of the transmitted signal and show what percentage of transmitted power spills into the guard band and what percentage of power spills to the adjacent channel..
consider a sinusoidal wave with frequency of 300khz as a carrier signal. we want to transmit a sinusoidal signal with
Consider the half-wave rectifier below. Assume the transformer output has amplitude 10.0 V and the diode forward voltage drop is zero. (a) What is the average output voltage (b) What's the RMS output voltage
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