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A given material has a resistance of 20Ω at room temperature (20 degrees celcuius) and 25Ω at a temperature of 85 degrees celcius.a. Does the material have a positive or negative temperature coefficient? Why?b. Determine the value of the temperature coefficient at 20 degrees celcius.c. Assuming the resistance versus temperature function to be linear, determine the expected resistance of the material at 0 degrees celcius( the freezing point of water) and at 100 degrees celcius (the boiling point of water)
A point charge of 16 nc is located at Q(2,3,5) in free space and a uniform line charge of 5nC/m is at the intersection of the planes x = 2 and y=4. If the potential at the origin is 100V, find V at (4,1,3).
The output of the FM modulator is sFM(t) = 10cos[400πt + 2πkf] where kf = 10. If the output of the FM modulator is passed through an ideal BPF centered at fc = 2000 with a bandwidth of 62 Hz, determine the power of the frequency components at the ..
In a swamped common-emitter BJT amplifier, as shown below, if Vcc = 12 V, R1 = 8.2 k , R2 = 10 k , Rc = 500 , RE = 1 k , VBE = 0.7 V, and = 100, what is the transistor's emitter current
Describe the characteristics of the series RC filter circuit with the output across the capacitor component. Distinguish the pass and stop bands with reference to the cutoff frequency. Also, state what happens to the circuit complex impedance at t..
A marine biologist is monitoring a dolphin swimming in seawater where the speed of sound is 1520 m/s. When the dolphin is swimming directly away at 5.4 m/s, the marine biologist measures the number of clicks occuring per second to be at a frequenc..
A 1.55 micro meter fiber-optic communication system is transmitting digital signals over 100 km at 2 Gb/s. The transmitter launches 2 mW of average power into the fibre cable, having a net loss of 0.3 dB/km.
Circuit is needed to divide a 10Hz signal down to 1 Hz. Design two circuits as in the accompanying description. Hook the clock input to a 10Hz clock on the logic designer, and hook the output clock to an LED.
A three-phase, wye-connected induction motor is supplied by a three-phase and foursin system with line-to-line voltage of 220V and the impedance of the motor is 6.3+j3.05Ohm per phase.
An underdamped sensor with a static sensitivity of K=1, undamped natural frequency of omega=1400 rad/s, and damping ratio of zeta=0.5 is used to measure a sinusoidal signal with a frequency of 6 kHz.
Write a simple awk statement that finds out the total number of samples of items that are gold, the total weight of these gold items and the total value of these gold items based on Monday September 30th price for GOLD and the difference in value
A second method of development will recover only 50% of the ore deposit , but it will cost only $15 per ton of material removed.Subsequent processing of the removed ore recovers 300 pounds of metal from each ton of processed ore and cost $40 per ..
Write a program to continuously turn all four green LEDs ON and OFF (toggle). There should be a one-second delay between each toggle. USING Assembly Language
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