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A parallel-plate air-filled capacitor having plates of area 60m2 and plate spacing 1.5 mm is charged to apotential differences of 300V. Find (a) the electric field betweenthe plates, (d) the capacitance, and (e) use C and V to calculate the energy stored in the capacitor, to compare with the result of(c).
Let y1(t)=y2(t)=t-1 over 0
The base width of a npn BJT at a temperature of 300K is 4μm. If the time it takes for an electron to diffuse a distance d is t=d2/Dn, where D is the diffusion coefficient.Calculate α and ß for this BJT. Assume typical electron mobilities and the w..
A sample of silicon contains 1x10^18/cm^3 donors. Below what temperature does it cease to show intrinsic properties if the band gap is 1.12ev and the intrinsic carrier concentration is 2x10^16/cm^3 at 300K
The voltage across the load must remain between 4.7 and 5.0 V for all values of load current. Come up with (draw) a voltage-divider network to supply the load. You may assume that resistors of any value desired are available.
An inventor claims to have perfected an engine that wil produce power from energy transferred as heat from a 1000K flame. Energy wil be rejected as heat to the ground at 290 K. A 75 percent energy conversion efficiency is claimed.
Plot the steady state torque-speed characteristic for Va = 100V, 60V, and 30V. Calculate the armature voltage to be applied in the steady state at the speed of 1500 rpm when the motor torque load require is 3 Nm.
Design an ac-dc voltage converter based on half-wave rectification and filtering. The requirements are: 1. Choose the values of the load resistor R and the capacitor C so that the converter will have a ripple factor of 10%
Write a function that converts an input of some integer number of nickels into outputs of integer numbers of dollars, quarters, and nickels. Do not write a main function. Your function does not do cin or cout. Your function will have four paramete..
Assume that capacitor is completely discharged when t
An extension cord is used with an electric weed trimmer that has a resistance of 13.7 O. The extension cord is made of copper (resistivity 1.72 x 10-8 ohm m) wire that has a cross-sectional area of 1.20 x 10-6 m2.
Design a synchronous sequential circuit to control the operation of an automatic coffee machine. A cup of coffee costs 15cents and the machine has two input slots. In one slot Only 10cent coins can be inserted , in the the other only 5cent coins.
Design a 2-bit counter that, when f = 1, counts in the repeating sequence: 0, 2, 3, and when f = 0, counts in the reverse direction. Use T flip-flops. (a) Construct a state diagram or state table.
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