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a)How large a parallel resistor Ra mustbe placed in parallel with the D'Arsonval meter movement toextend its useful measuring range to 1A ?b)For the design completed in Prob. a determine the measured current that flows when the D'Arsonval metermovement is connected to an energized circuit and it reads3mA .
An angle-modulated signal with carrier frequency ωc=2πx106 is described by the equation φEM(t)=10cos(ωct + 0.1sin2000πt). a) Find the power of the modulated signal. b) Find the frequency deviation Δf. c) Find the phase deviation Δφ.
Write the definition of a function named timeOnHighway that receives three parameters, all of type double: mileEndingPoint , mileStartingPoint , and speed . The first two parameters indicate the mile markers on an interstate
Let y[n] = Odd{x[n+1]}, where Odd{f[n]} takes the odd part of f[n]. Determine if this system is a. Linear b. Time invariant c. Causal For each part, either show proof that the property holds or show an example that it does not.
A 240kW 500 Volt 1750rpm separately excited dc generator has an overall efficiency of 94%. The shunt field resistance is 60ohms, and the rated current is 5amps. The I^2R loss in the armature is 0.023pu.
Assume A is the MSB and B is the LSB. The circuit produces an output of 1 if and only if the sum of the current 2-bit input and the previous 2-bit input is equal to 6. Design the circuit using as few D flip flops as possible. Draw the state diagra..
Explain the process of processor development
An AM modulator is operation with an index of 0.4. The modulation input is: m(t) = 4cos (3πfmt) + 2cos (5πfmt) + 4cos (7πfmt) What is the efficiency of the modulator Sketch the spectrum of the modulator output showing the weights of all impulse funct..
Titan has numerous hydrocarbon lakes containing a mix of methane and ethane in unknown proportions. A small submersible vehicle will exlpore Kraken Mare, the largest lake.
The sinusodial modulating wave m(t) = (Am)cos(2*pi*fm*t) is applied to a phase modulator with sensitivity kp. The unmodulated carrier wave has frequency fc and amplitude Ac. Determine the spectrum of the resulting phase-modulated wave
A 4 pole, 3 phase induction motor is given a supply of frequency 50 Hz. Rotor speed is 1490 rpm. a) Find slip s b) The relative speed between stator field and rotor field c) Frequency of stator field and rotor field
A buck converter has input voltage of 10 V, switching frequency 1 kHz, The load resistance of 5 Ω requires average voltage of 5 V with a maximum ripple of 20 mV. The maximum ripple current of the inductor is 0.2 A.
Suppose you have an Analog-to-Digital Converter (or ADC) with 12 bits of precision, and the manufacturer claims it has the transfer function x = floor(4096×v/5 ) for input voltage vΣ [0, 4.9999] (where x is the digitized result you get).
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