A Na+ ion moves from inside a cell, where the electric potential is -70 mV , to outside the cell, where the potential is 0 V. What is the change in the ion's electric potential energy as it moves from inside to outside the cell?

What is smallest power of 2 needed to generate binary code : What is the smallest power of 2 needed to generate a binary codeword long enough for this message i.e. find N (= 2k) = What is the maximum number of binary digits that can be generated with this choice of N |

Prove that thermal efficiency of engine performing a cycle : given a sargent ideal gas cycle. All process ar quasi-static, and the heat capacities are constant. Prove that the thermal efficiency of an engine performing a cycle |

Probability that the stock on that day closed : Is the normality assumption that was made at the beginning valid and what is the probability that the stock on that day closed at less than the mean for that year |

Find the net charge on the ball : an electric field as shown in the figure. an electric field of 1000. v/m is directed toward the right. The ball has a mass of 2.00x10^-3 kg, what is the net charge on the ball |

What is the change in the ions electric potential energy : A Na+ ion moves from inside a cell, where the electric potential is -70 mV , to outside the cell, where the potential is 0 V. What is the change in the ion's electric potential energy as it moves from inside to outside the cell |

How many grams of carbon dioxide are produced : When the body metabolizes glucose water and carbon dioxide are produced according to the following equation. C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O If 0 g of glucose are metabolized with excess oxygen |

What is the direction of the friction force on the upper box : You are lowering two boxes, one on top of the other, down the ramp shown in the figure by pulling on a rope parallel to the surface of the ramp. Both boxes move together at a constant speed of 16cm/s. |

Complete the general education task : A local bank claims that the waiting time for its customers to be served is the lowest in the area. A competitor bank checks the waiting times at both banks. |

Estimate the worst-case varation in film thickness : A wafer 100mm in diameter is mounted in an electron-beam evaporation system in which the spherical radius is 40cm. Use Eq. 6.7 to estimate the worst-case varation in film thickness between the center and edges |

## Why boundary conditions are so important in electromagnetics1. Derive boundary conditions for electric fields (both for tangential and normal components) 2. Derive boundary conditions for magnetic fields (both for tangential and normal components) 3. Why boundary conditions are so important in electromagnetic.. |

## Define interpreting frequency domain signal spectrumInterpreting frequency domain signal spectrum to time domain, A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the voltage level of signals in volts vertically and frequency horizontally. |

## Line a goes into an inverter then into a nand gateSimplify the following circuit. Line A goes into an INVERTER, then into a NAND Gate, then into an OR Gate, then travels into another NOR Gate. |

## Determine the joint probability distribution functionTwo random variables X and Y have a joint probability density function given by f(x,y) =kxy 0 |

## How much work must be done to compress the sectionAn infinite grounded conducting tube of radius 10cm is centered on the z axis. A concentric charged tube of radius 6 cm has a surface charge density of 24 uC/m2. A 1m long section of the charged tube is compressed to change its radius to 3 cm. |

## Find correlation coefficient between input x and output yThe output of a communication channel is Y = X + N where X and N are independent, zero mean, random variables. X represents signal and N is noise. (a) Find the correlation coefficient between the input X and the output Y. |

## What is the open circuit voltage of the series connectionThree cells whose open-circuit voltages are each V are connected in series. What is the open circuit voltage of the series connection If the same three cells were connected in parallel |

## Define the voltage and current in the laplace domainThe voltage and current in the Laplace domain for a certain system is given by V (s) = 1/12 1/s^2 +3, I(s) = s/s^2+3. Is this system best described as resistive, capacitive, or inductive? |

## How does the maximum power compare with the nominal rating(a) If a motor at the end of a transmission line has a reactance of 8 ohms per phase, what is the maximum power which the machine can develop, given that the sender voltage is 4kV and the induced voltage Eo is also 4kV. |

## Explain what is the intensity of emerging lighta beam of polarized light of intesity I0 passes through a sheet of ideal polarizing material. The polarization axis of the beam and the transmission axis of the sheet differ by 30 degrees. What is the intensity of emerging light |

## What are the direction of the total electric forcePoint charge 1.5{\rm \mu C} is located at x = 0, y = 0.30 {\rm m}, point charge -1.5{\rm \mu C} is located at x = 0 y = -0.30 {\rm m}. What are (a)the magnitude and (b)direction of the total electric force that these charges exert on a third point.. |

## Compute the speedup and efficiencycomputation with 5% of the code that cannot be paralleled, compute the speedup and efficiency. |

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