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Consider a total charge q uniformly distributed along a semicircular ring of radius a.
Find an expression for the scalar electric potential at any point on the axis of the ring. Indicate clearly your coordinate system and its geometry. Check the limiting case as the field point recedes to infinity.
1. What is the difference between On-delay and Off-delay timer instructions 2. How are timer instructions reset What happens when an On-delay timer reaches its preset delay time
a) Find the general solution of the homogeneous ODE (the left hand side) and call it yh. b) Verify that yp= -0.5tcos(3t) is a solution.. i.e show that yp" + 9yp'= 3sin(3t). c) Construct the general solution of this ODE y=yh+yp
a 50 kHz squarewave is input to the 60 kHz low pass filter. The filter is effective at rejecting frequencies higher than 60 kHz. a. Does it make sense that the output of the filter is a 50 kHz sinewave
A real estate firm evaluates incoming selling agreement forms using the single sampling plan N=1500, n=110, and c =3. construct the oc curve using about 7 points.
A 300 W resistor is connected across the 300 Wantenna input of a television receiver. The bandwidth of the receiver is 6 MHz, and the resistor is at room temperature (20oC). Find the noise power and noise voltage applied to the receiver input.
Design a handheld hair dryer with the following specifications and realistic constraints: 1. It uses a 60 Hz, single-phase, 120 V r.m.s sinusoidal voltage source. 2. It has three settings low, medium, high.
An electric pencil sharpener is rated 240 mW, 6 V is connected to a 9-V battery and a series-dropping resistor Rx needed to power the sharpener. Calculate the value of the series-dropping resistor Rx needed to power the sharpener.
Compute the equilibrium carrier concentrations and the position of the Fermi level with respect to the conduction band edge for a uniformly doped Si region with N_D=1*10^16 cm^-3 and N_A = 1*10^17 cm^-3 at room temperature.
A corporation purchased a machine for $60,000 five years ago. It had an estimated life of 10 years and an estimated salvage value of $9,000. The current book value of this machine is $22,500. If the current market value is $40,000.
A horizontal beam of negligible weight is 38ft long andis supported by columns on each side. a verticle load of 68000lbs is applied to the beam at a distance X from the left end. find the X in ft so that raction at the left column is 47000 lbs
Life Insurance: On average about 9 out of 1,000 people die prematurely in the United States each year. (a) If a life insurance company wants to sell $100,000 life insurance policies to the public, how much should it charge each client in order to ..
Consider an AlGaAs based heterostructure laser diode which has an optical cavity of length 200 microns. The peak radiation is at 870 nm and the refractive index of GaAs is about 3.7. What is the mode integer m of the peak radiation
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