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Find the maximum current that a fully-charged D-cell can supply-if only briefly-such that itsterminal voltage is at least 1.0V. Assume an emf of 1.5V andan internal resistance of 0.12 ohm.
Technician B says that the resistance of a copper wire decreases as its length increases. Which of the following statements is correct?
A motor connected to a 220V(rms), 60Hz voltage source is marked as drawing a current of 13.5Amps(rms), with a power factorof 0.72 lagging and an efficiency of 83%. Suppose that the motor operates according to these specifications.
An emitter follower, when driven from a 10 kohm source, was found to have an output resistance Rout of 200 ohm. The output resistance increased to 300 ohm when the source resistance was increased to 20 kohm.
Consider a PCM-TDM system in which 24 signals are to be processed. Each signal has a baseband bandwidth of 3 KHz. The sampling rate has to be 33.3% higher than the theoretical minimum, and 8 bits are to be used.
Describe why the intrinsic carrier concentration changes with temperature. This would include from very cold temperatures to 600K+ temperatures. Why does an extrinsic semiconductor become intrinsic above ~ 500K
Draw a state diagram for a synchronous sequence detector that will detect every occurence of the sequence 111001 in a serially transmitted message of any length. The sequence detector should detect overlapping sequences as well as individual occur..
Design an RC-Low Pass Filter with cutoff frequency at fc=0.5GHz and plot its frequency response and design a parallel resonance circuit with resonance frequency of 30kHz and bandwidth of 20kHz and plot its frequency response.
Convert the value: $2103.25 using an IEEE standard 4 byte (32 bit) float floating point number representation. Identify every bit of the 32 bit number holding this record by first converting the number 2103.25 from decimal to binary
Current, voltage, and power to a three phase system are measured and found to be 20 A, 550 V and 10.5kW respectively. Determine equivalent circuits per phase as follows: (a)wye connected series combination of resistance and reactance in each phase.
(a) Determine the differential equation that relates the input current x(t) to output current y(t). Recall that V l= L(di/dt) (b) Find the characteristic equation for this circuit and express the root(s) of the characteristic equation of L, L, and R.
A supplier claims that a transistor has a current gain of 100. 15 transistors are measured, and are found to have a sample mean of 99.5 and a standard deviation of the sample mean 2. a) For what confidence level would the claim be valid
The voltage output from a two active gage of Wheatstone bridge was 3.5 mV. The excitation voltage was 5 V. Nominal resistance of the strain gage was 350 ohms and the gage factor was 2.05. Calculate the force in pounds on the steel rod.
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