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1. Two students are discussing how programmable thermostats work. Student A says that a piece of material within the thermostat changes length depending on moisture content of the air and that temperature is related to this change in moisture. Student B says that there's a material within the thermostat that changes its length based on temperature and that the measured temperature is related to the change in length. Which of the following statements is correct?
A. Only Student A is correct. C. Both students are correct. B. Only Student B is correct. D. Neither of the students is correct.
3. In the same home that has 120 V service, the thermostat controlling the electric resistance heaters consumes 5 watts of power. How much resistance in Wis associated with the thermostat?
A. 24 W C. 4.8 WB. 480 W D. 2880 W
4. Two students are discussing electric heaters. Student A says that the most common convection-type heating unit used is an electric floor-insert heater. Student B says that electric cabinet heaters are the most common natural-convection type electric heaters. Which of the following statements is correct? A. Only Student A is correct. C. Both students are correct. B. Only Student B is correct. D. Neither of the students is correct.
THE Number of pumps in use at both a six-pump station and a four-pump station will be determined. Give the possible values for each of the following random variables. a. T = the total number of pumps in use
1- a port device may have multi-byte data input buffers and data output buffers. what are the advantages of these 2- what are the advantages of DAA(Data Access Arrangement) and McBSP ports in DSPs
determine the minimum sampling rate necessary to sample and perfectly reconstruct the signal x(t) = sin(6280t) / (6280t).
A sequential circuit receives decimal numbers encoded in BCD one digit (4 bits) at a time, starting with the least significant digit. The circuit outputs are the 10's complement of the input number, also encoded in BCD least significant digit firs..
For computer chip of 10mm (length), 10 mm(width) is operated by power of 0.345 watt, which surrounded by coolant material of temp of 70 F. The Internal energy rate is 3.5J/sec and kinetic energy rate is -4.5J/sec.
A communications channel has a bandwidth of 2,000 Hz and a signal-to noise-ratio (SNR) of 20 dB. What is the maximum possible data rate
A 1000/5 A currenttransformer bar primary type has the loss component of excitingcurrent equal to 0.7% of the primary current. Find the ratio error(i) when the turn's ratio is equal to normal ratio (ii) when the secondary turn is reduced by 0.5%.
a) Generate the State Transition Table, which should include the binary( ones and zeroes) values of the Flip Flop inputs which then enable you to determine next states based on current states. b) Draw the State Diagram for the system.
A heat pump maintains a dwelling at 68 F. When operating steadily, the power input to the heat pump is 5 hp, and the heat pump receives energy by heat transfer from 55 F well water at a rate of 500 Btu/min.
two slits produce fringes on a screen that is at a distance of 2.05 m from the slits. when the wavelength is 608 nm
Design a DC-coupled differential amplifier with differential gain of 50 for input signals near ground, supply voltages of +15V and -15V and quiescent currents of 0.1mA in each transistor.
a) Developed an analytical expression for |Vout/Vin|, where Vout is the voltage across the combination impedance R2||C2, and Vin is the voltage. b) For w0^2 = 1/(R1R2C1C2) (the center frequency), develop an expression for the maximum value of |Vout..
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