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During the day, the ac line voltage changes. This causes the unregulated 24-V output of the power supply to vary from 21.5 to 25 V. If the zener resistance is 14 ?, what is the voltage change over the foregoing range?
Repeat the calculations in Example 15.4 for stainless steel instead of cast iron. Use the same material dimensions and operating conditions, and compare the machining times for the two materials.
A silicon diode with a breakdown voltage of 2000V that is conducting a forward current of 2000A is turned off with a constant diR/dt=250 A/s. Roughly estimate the time required for the diode to turn off.
You own a bond with the following features: 7 years to maturity, face value of $1000, coupon rate of 2% (annual coupons) and yield to maturity of 1.5%. Just after you purchase the bond, the yield to maturity rises to 5.4%. What is the capital gain or..
The time to failure of fluorescent lights in a large office building is exponentially distributed with a failure rate of 0.03125 hours. How many spare tubes must the building custodian maintain to have at least a 0.95 probability of replacing all..
Find the Thévenin equivalent circuit for the network external to the resistor R in each of the networks of given figure.
The load of the full-wave SCR circuit in Figure 10.23 consumes 130W. The rms voltage across the load is 80V, and its average voltage is 50V.
Determine the emf induced across the bar and determine the current magnitude and direction (up or down) of the current through the resistor and determine the following when loaded: input power, armature loss, developed power, rotational loss, output ..
Suppose that data are stored on a 1.4-Mbyte floppy diskettes that weight 30 g each. Suppose that an airliner carries 10,000 kg of those floppies at a speed of 1000 km/h over a distance of 5000 km. What is the data transmission rate in bits per sec..
In Mips when you use addi or any other commands in which you use a 16 bit value for a reg. value or address offset what operation is done to check if its is a negative number's two's complement or just a regular binary number
A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter. How much modulating signal power is needed to produce 100 percent modulation
Load the handel sound file in MATLAB, and add the preceding three sinusoidal signals to create a corrupted sound signal. Now filter the corrupted sound signal using your filter and comment on its performance.
Determine the minimum open-loop gain required so that the actual output voltage is within 0.1 percent of the ideal.
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