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1. In a radical system the electric potential is given by the function
V(r)=k(1/r2 - 1/r)
Where k is constant and r is the radical distance.
a. Find the electric field as a function of distance.
b. If a positive charge was released in this system, at what radius would it be at equilibrium (i.e. if electric potential was height and you rolled a ball on this landscape would it come to a rest?)
Take the derivative and put it equal to zero.
2. The earth has an electric field of 150N/C which arises because the separation of charge between the Earth's surface and the ionsphere which is 100 km above the surface of the earth. Assuming the Earth's atmosphere can be considered to be similar to a parallel plate capacitor (whose area is the area of the planet) what is the charge stored in this capacitor?
Treat the planet's atmosphere like a parallel plate capacitor. Use the parallel-plate capacitor equations.
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A "Mealy" synchronous sequential circuit has one input X and one output Z. An output Z = 1 occurs every time the total number of 1's received is "divisible by 3" AND the total number of 0's received is an even number greater than zero.
Voltage drop across R6 = 12 ohm resistor
Identify opamps gain and its unity gain-bandwidth in an open-loop configuration - Identify the input common mode range: the range of input voltage where the circuit shows a Vout/Vin of approximately one.
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A zippy little electric car is equipped with a 175hp motor. a) How many kW are required to run the motor if we assume ioo percent efficiency in converting electrical power to mechanical power
Find a possible series RL circuit equivalent to N.
An FM transmitter delivers to a 75 ohm antenna a signal voltage of \(V(t)=1000 sin(10^9t+4sin10^4t)\) Determine: (a)Carrier frequency (b) Intelligence frequency (c) Modulation index
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a) It is required that the propagation delay be limited to 60 psec. Find the required device widths b) Find the High and Low noise margins, i.e. NMH and NML. c) What is the peak current drawn from VDD during switching of the inverter What is the aver..
Consider 4 point charges of 10nC each located at A(1,0,0), B(-1,0,0), C(0,1,0) and D (0,-1,0) in free space. Find the total force F(not field) on the charge A.
Light traveling in air strikes a glass plate at an angle θ1 = 33 degrees, where θ1 is measured between the incoming ray and the glass surface. Upon striking the glass, part of the beam is reflected and part is refracted.
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