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A vertical rod is attached at point A to the cast iron hanger shown. Knowing that the allowable stresses in the hanger are σall = 15 ksi and σall = 212 ksi, determine the largest downward force and the largest upward force that can be exerted by the rod.
When the variable resistor is adjusted to one extreme position the overall circuit voltage gain should be 3. When the variable resistor is adjusted to its other extreme position the overall circuit voltage gain should be 13.
An alphanumeric source is connected to voice-grade telephoneline with a useable bandwidth of 3000 Hz and SNR of 20 dB at theline output. Assume that the source has 128 equiprobable andstatistically independent characters. If the channel noise is w..
Add an activehigh overflow indicator and the required detection circuitry. Thecircuit should have inputs a7 through a0, inputs b7 through b0, sumoutputs s7 through s0, and output overflow. For all inputs/outputsuse index 7 as the MSB and index 0 a..
Draw the developed diagram and show the positions of brushes.
How to Testing Electrical and Electronics Components and Devices with Multimeter ?
A shunt dc motor has RA= .1 ohmn and VT = 440 V. For an output power of 50 hp, we have nm=1500 rpm and IA = 103 A. The field current remains constant for all parts of this problem.
A magnetic circuit constructed of sheet steel has an average length of 1.3 m and a cross sectional area of 0.024msq. a 50 turn coil wound on the ring has a resistance of .82ohms and draws 2a from a dc supply.
Amplifier A has an input resistance of 1M Ω, an output resistance of 200Ω, and an open-circuit trans-resistance gain of 100MΩ. Amplifier B has an input resistance of 50Ω, an output impedance of 500 k Ω, and a short circuit current gain of 100. Fin..
The unknown input impedance of a horn antenna operated at a frequency of 300MHz is measured using a slotted transmission line and a Smith Chart. When the antenna is connected to the slotted line, the VSWR on the line is measured to be 4
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A proportional controller for a rotating antenna has a gain Kp of 5 in .oz/deg. The antenna was initially pointing due south but was then commanded to point southeast. a. Find the initial torque supplied to the antenna.
The source-free circuit depicted in Fig. 9.1 is constructed using a 10mH inductor, a 1mF cPcitor, and a 1.5k ohm resistor. a) Calculate alpha, omega-sub-delta, and omega-sub-zero. b) write the equation which describes the current i for t>0.
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