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Suppose when a baseball player gets a hit, a single is twice as likely as double which is twice as likely as a triple which is twice as likely as a home run. Also, the player's batting average, i.e., the probability the player gets a hit, is .300. Let B denote the number of basses touched safely during an at-bat. For example, B=0 when the player makes an out. B=1 on a single, and so on. What is the PMF (probability mass function ) of B?
A shunt regulator utilizes a zener diode whose voltage is 5.1V at a current of 50 ma and whose incremental resistance is 8 ohms. The diode is fed from a supply of 12 V nominal voltage through a 220 ohm resistor
A capacitor in an RC circuit with R = 5.00 W and C = 6.00 mF is being charged. What is the time required for the capacitor voltage to reach 86.5 percent of its steady-state value
a) Using 10 nF capacitors and ideal op amps, PROBLEM design a high-pass unity-gain Butterworth filter with a cutoff frequency of 2 kHz and a gain of no more than -48 dB at 500 Hz. b) Draw a circuit diagram of the filter and label all component valu..
design a 100 hp motor controller circuit which has a push button to start and stop the motor. include an external cooling fan and a means to automatically shut down the motor is it overheats. Hint attach thermostat to case of motor.
To the dismay of scientists on earth, an electrical fault causes an on-board thruster to fire, decreasing the speed of the spacecraft by 26.0m/s .If nothing is done to correct its orbit
a. A load consumes 150kW with a power factor pf = 0.7 (lagging). If the load current is 240A (RMS), find the load voltage. b. An industrial plant has an inductive load which consumes 10kW of power from a 220VRMS line.
A 20kW, 250V, self-excited dc shunt generator is driven at its rated speed of 1200rpm and it is delivering rated power at rated terminal voltage. Its armature-circuit resistance is 0.15-ohm, and the field current is 2 A.
A system samples a sinusoid of frequency 480 Hz at a rate of 100 Hz and writes the sampled signal to its output without further modification. Determine the frequency that the sampling system will generate in its output.
What is the power level entering the first active stage of the receiver at 1900 MHz being fed by a 25 meter coax with a loss of 20 dB/km, given that the Isotropic Receive Level is -134 dBW and the receiving station has a 1 meter radius dish
The system uses a 7-cell reuse pattern. If the offered traffic per user is 0.03 Erlangs and the average number of calls per hour per user is 1.5, for an Erlang-C system with a probability of delaying a call being 5%, calculate the traffic load per..
in a RLC series circuit R=500Ω L=0.4mH and C=100pF the circuit is connected to the terminals of an ac source with an rms voltage of 1V, and a variable frequency calculate the following A) resonant frequency
A DC motor is rated at 230V, 27.5A at normal full load. It turns at 1750rpm under rated conditions. It has total armature resistance of 0803 ohms, and it is desired to hold its maximum starting current to 150% of normal full-load current.
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