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Write down the standard expression for a voltage, of r.m.s. value 45 V, and frequency 1.5 kHz. Hence, calculate the instantaneous value, 38 s after the waveform passes through its zero value.
The dielectric materials used in real capacitors are not perfect insulators. A resistance called a leakage resistance in parallel with the capacitance can model this imperfection. A 150-F capacitor is initially charged to 100 V.
At time t = 0, the voltage across a 100-pF capacitor is -5 V. the current through the capacitor is 10[u(t) - u(t -10^-4)] μA. what is the voltage across the capacitor for t>0.
Design a circuit with output f and inputs x1, x0, y1, and y0. Let X=x1x0 and Y=y1y0 represent two 2-digit binary numbers. The output f should be 1 if the numbers represented by X and Y satisfies X>=Y
A chopper controlled electric train is powered from a 1500 VDE supply. The power semi- conductor switch element has a minimum effectice ON time of 40 Ms. during starting and slow speed running, the output of the chopper has to go as low as 15 V.
Discuss why it is that for a discharging capacitor, the discharge current is in the direction opposite from the charging current. Explain why capacitive reactance is measured in ohms. Also, state two differences between capacitance and capacitive r..
Identify one emerging technology, and evaluate its future prospects by identifying the cultural and social factors that may prevent or promote its successful application. Use concrete details to support your answer.
For the PFD of Figure, determine whether or not the average value of QA - QB is a linear function of the input frequency difference.
Perform the following addition or subtraction of the given numbers using 8-bit 2's complement representation of the numbers. Parts (a) and (b) are given in decimal, while parts (c)-(e) are given in 8-bit 2's complement.
A load consists of a resistance R in parallel with a capacitor of reactance X. The load is fed from a single phase supply through a line of impedance 8.4 + j11.2 ohms. The rms voltage at the load terminal is 1200 at 0 degress V rms,
Five 1.5-V batteries in series are required to operate an 8.0 Wportable radio. What is the current flow What is the equivalent circuit resistance
Explain the basic operation of a CMOS transmission gate and compare it to a tri-state buffer. There is one important difference, make sure to explicitly discuss that difference.
Derive a minimum-cost realization of the four variable function that is equal to 1 if exactly two or exactly three of it variables are equal to 1; ohterwise it is equal to 0
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