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the bridge circuit is energized from a 21 V dc source. the bridge is balanced when R1 = 800Ω, R2 =1200Ω, and R3 = 600Ω.
a) what is the value of Rx?b) how much current(in milliamperes) does the dc source supply?c) which resistor in the circuit absorbs the most power? how muchpower does it absorb?d) which resistor absorbs the least power? how much power does it absorb?
Let the segment registers hold the values (all in hexadecimal): CS = 2000H, DS = 3000H, SS = 3700H and ES = 7700H. Assuming segments are not allowed to overlap, what is the maximum number of bytes that each segment can have
The channel bandwidth for the analog AMP's system is restricted to BW= 30 kHz. Determine the noise floor (in dBm) for its mobile receivers assuming all receivers have a noise figure of 10 dB.
Find the magnitude of the current density in a sample of silver for which σ=6.17x10^7 S/m if: a) The electric field intensity is 1mV/meter. b) The same is a cube 2.5mm on a side having a voltage of 0.4mV between opposite faces.
Use MATLAB to compute the inverse Laplace transform of X(s)=(s^2+2s+1)/(s(s+1)(s^2+10s+50)) and determine the value of x(t) in the steady state. How would you be able to obtain this value without computing the inverse? Explain.
Given a high or low pass RC or RL filter, indentify circuit characteristics such as AV, AVdB, AP, APdB, ZT, XT, and delete text at FC.
Identify five controls that require the operator to do two destict actions in order to activate the control. EXAMPLE depressing the clutch on a car so that the ignition key will start the car.
Concentric spherical conducting shells in free space of radii r1 = 0.00113 m and r2 = 0.00220 m have a potential difference of 20.0 V (let the inner shell be at 0 V and the outer shell be at 20.0 V).
The fault level at the grid connection point is 1000 MVA. What will now be the required rating of circuit breakers connected to the busbars?
A baseband signal has frequencies from near dc to 4 kHz. To ensure ease of recovery, the signal is to be sampled at a rate 25 percent greater than the theoretical minimum. Determine the time interval (in ms) between successive samples.
An ND:YAG laser in the lab emits light at 1064 nm. The laser is light is directed into a slab of silicon, which has an index of refraction n = 4. a. What is the relative permittivity of Si at this wavelength (Hint: Si is non-magnetic.)
A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. When a 60.0-gram mass is attached at the 27.0-cm mark, the fulcrum must be moved to the 39.2-cm mark for balance.
a square wave of 1000Hz is introduced into an ideal band passfilter (bandwidth = 100Hz) that is tuned to 5000Hz. Thesignal output has an amplitude of 0.1V. The filster is thenreturned to 9000Hz. Sketch the output waveform and calculate itsnew ampl..
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