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A capacitor C is connected in parallel with a resistor R across a 120 V, 200 Hz supply. The supply current is 2 A at a power factor of 0.6 leading. Determine the values of C and R.
the circuit should have a thermistorthat gives a linear out of 100-200Ω for temperature reading of 0-100 deg. let the circuit use the thermistor to control the heater so that it provide a constant temperature that can be selected between 50-80deg.
A semiconductor has Nc=10^19 cm^-3, Nv=5x10^18 cm^-3 and Eg=2eV. If it is doped with 2x10^17 acceptors (fully ionized), calculate the electron, hole and intrinsic carrier concentrations at 627 C. Sketch the simplified band diagram, showing the pos..
A power amplifier employs an output stage whose gam vanes from 2 to 12 for various reasons. What is the gain of an ideal (non varying) amplIfier connected to drive it so that an overall gain with feedback of 100 ± 5% V/V can be achieved
When a certain perfect gas is heated at constant pressure from 15 oC to 95 oC, the heat required is 1136 kJ/kg. When the same gas is heated at constant volume between the same temperatures the heat required is 808 kJ/kg.
Inflation in years 1-5 equals 3.1 percent, 2.2 percent, 1.6 percent, 1.3 percent, and 1.1 percent, respectively.
Give the truth table and the logical expression for a circuit with three inputs and one output. The output generates even parity for inputs. Use EXOR/EXNOR in the output expression when possible.
A certain two-terminal circuit has an open-circuit voltage of 12V. When R=225 ohms is attached, the voltage across the load is 8V. Determine the Thevenin resistance for the circuit
What real, reactive, and apparent power does the generator supply when the switch is closed - What real, reactive, and apparent power does the generator supply when the switch is open? Solve in per units and convert to real watts, VARS and VAs
Size reduction, enhancement of capabilities, reduction of power consumption, and increasing the speeds of electronic devices, as well as their microcontrollers, have been the trend since the invention of the integrated circuit by Jack Kilby at Tex..
The frequencies of the tones are 100 Hz, 300 Hz, and 450 Hz. The sampling rate is 1 kHz. Describe a low pass, a band pass, and a high pass filter that could be used to detect the individual tones.
inductor L and assume they have been connected for Consider a circuit consisting of a sinusoidal source V s (t) = cos (t) u (t) volts connected in series to a resistor R and an a very long time.
1.A liquid has an enthalpy of vaporization of 30.8 kJ/mol. At 275 K it has a vapor pressure of 117 mmHg. What is the normal boiling point of this liquid 2. In a certain mountain range, water boils at 94°C. What is the atmospheric pressure under the..
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