How are the wires connected to the switches where there are two switches that can operate a single light?

Determine the voltage cross the capacitor at t : Supposed that at t=0, we connect an uncharged 10μF capacitor to a charging circuit consisting of a 2500V voltage source in series with a 2MΩ resistance. At t=40s, the capacitor is disconnected from the charging circuit and connected in parallel wi.. |

Explain the melting point of a pure compound : The melting point of a pure compound is 152-153 C. Describe the melting behavior for this compound if it is contaminated with 5% of an impurity. |

Find magnitude of transfer function at that frequency : In a series RLC circuit, if we have VR(peak to peak) across resitor and Vin(peak to peak) across source and delta T(difference in phase shift in seconds) at a frequency. How can we find magnitude of transfer function at that frequency |

Explain the chemical formula and systematic name : Give the chemical formula and systematic name for aurous sulfide, which is named using the older nomenclature. |

Determine how are the wires connected to the switches : How are the wires connected to the switches where there are two switches that can operate a single light |

Explain water solution would be acidic : For each of the salts listed below indicate whether its water solution would be acidic , basic or neutral. NaBr, Na2Co3, KHSO4, KCN, NH4CH3COO, BaF2 |

What was your average velocity during breaking : When you see a traffic light turn red, you apply the breaks until you come to a stop. what was your average velocity during breaking |

Determine what is the wattage of the lamp : Given the Electrical Rating: 120V 60Hz and LED Bulb Rating:3.3 V of a lamp with 20 LED lights. What is the wattage of this lamp |

What is the phase difference between the sound waves : At a point P, the path lengths from two point sound wave sources have a difference of 1/4 l. What is the phase difference between the sound waves at poiunt P |

## Describe how to troubleshoot a communications problemsIn the case of a problem in the communication process in general (not just using Fieldbus), describe how you would troubleshoot a communications problem at the physical layer. Describe also the tools that you would use to troubleshoot |

## Find the excitation equation for the d flip-flopA sequential circuit has two inputs (A and B) and contains one D flip-flop that has only D and clock inputs. If A = B the flip-flop is unchanged, otherwise the flipflop is complemented. Find the excitation equation for the D flip-flop |

## Describe the steps in the keypad polling routineDescribe the steps in the keypad polling routine. Draw a flow chart for the keypad LCD software code. Discuss challenges experienced in developing the keypad LCD software code. |

## Compare computed mean and variance to the theoretical valuesWrite a program that uses the rand_float functions developed to generating sequences of random floating-point values between 4 and 10. Then compare the computed mean and variance to the theoretical values computed. |

## Find the transmitted power for each signal in the part aMessage signal m(t) = 0.6sin(27r3000t + pi/9) For a carrier signal with amplitude Ac = 4,fc = 40MHz, answer the following. What are the expressions for the transmitted signals in part a Find the transmitted power for each signal in the part a |

## Tabulate and drive characteristic table and equationA T flip-flop has two operations: storing the previous value when T=0, toggling, i.e. complementing, its value when T=0. a) Tabulate the characteristic table b) Drive the characteristic equation. c) Tabulate the excitation table |

## Find the center-frequency gain of single-tuned amplifierThe transistor is biased at 1mA and has ß=100, Cp=10pF, and Cµ=1pF. The transistor load is a resistance of 5kO. Find fo, Q, the 3-dB bandwidth, and the center-frequency gain of this single-tuned amplifier. |

## Calculate the number of electrons and holesSuppose a pure Si crystal has 5 × 1028 atoms m-3. It is doped by 1 ppm concentration of pentavalent As. Calculate the number of electrons and holes. Given that ni =1.5 × 1016 m-3.? |

## What is the current rating for led at forward voltage dropIf a logic circuit with I_OH = 4.5 V is driving and LED with a 330 ohm limiting resistor, what is the current rating for the LED if the forward voltage drop is 1.8 V |

## How effect do internal capacitances in the transistor modelWhat effect do internal capacitances in the transistor model have on practical performance of a real system? How would you use these model values to predict system performance? |

## Find the exit velocity and the 2nd law efficiencySteam enters an adiabatic nozzle at 3.5Mpa and 300C with a low velocity and leaves at 1.6Mpa and 250C at a rate of 0.4kg/s. If the surrounding is 10 at 100Kpa and 18C, find A) The exit velocity B)The 2Nd law efficiency |

## What are the resistance value and toleranceLook at the resistor illustrated. Based on your knowledge of the resistor color code, what are the resistance value and tolerance of this resistor? |

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