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The tungsten filament in an incandescent light is really a resistor and the power dissipated by the tungsten resistor as heat is released as light via a process known as blackbody radiation.a. The ac voltage that is supplied from a wall plug to the incandescent light is 170V sin[(377 rad/s)t]. If the current flowing through the light is 350 mA sin[(377 rad/s)t], determine the power that the light is consuming.b. What is the resistance R of the tungsten filament?c. How much energy is being used during the one period of the sine wave.
A 10 uH inductor is connected to a circuit such that prior to t = 0 the current through the inductor is 10 mA. After t = 0 the current through the inductor is iL(t) = 10e^(-1000t) mA where t is time in seconds. a) Determine the expression for indu..
The laminated silicon steel core of a transformer has a mean length of 0.06 m and a cross section of 0.005 meter square. there are 150 turns on primary winding and 450 turns on the secondary. the input is 200 V rms at 50 Hz.
From a large lot of new tires, n tires are to be sampled by a potential buyer, and the number of defectives X is to be observed. If at least one defective is observed in the sample of n tires, the entire lot is to be rejected
A particle travels along the x-axis with postion ( measured in meters ) as a function of time ( measured in seconds ): x(t) = 5t^2-7t+2. (a) At what time or times is the particle at rest
The location of the zeroes in the spectrum suddenly changes to 5 kHz, 10 kHz, 15 kHz.... What parameter of the rectangular pulses has changed and what is its new value?
A three 120 - V power line is Y-connected. The three phase outputs are marked as a,b,c. The neutral is marked as n. The phase sequence is abc. It is connected to a balanced Y- connected load, with the impedance is 12 + j 9 omega.
What do they mean by these two statements. For example, are they asking us to keep Voltage or Current constant in either statement and vary the Resistance finding the unknown Voltage or Current or what
a) Find and plot the straight-line approximations to the amplitude and phase response bode plots b) sketch the approximate amplitude-response bode plot od this system using the straight-line approximation and approximate amplitude values at the br..
Design a 4-bit serial equality comparator. That is, if we have a3a2a1a0 = b3b2b1b0, then eq = 1. Note that a3a2a1a0 is stored at register 1, while b3b2b1b0 is stored at register 2. You have to implement the same function using a serial equality co..
1. The voltage gain of an 11.2 kHz low-pass filter is -12 dB; what is its numeric gain 2. Two amplifiers are cascaded, one with a voltage gain of 6.02 db and the other with a voltage gain of 12. If 10 mV is measured at the input of the second ampl..
A network connected between terminlas a and b consists of two parallel combinations that are in series. The first parallel combination is composed of a 10 OHM resistor and a 19 OHM resistor.
The output/ input of a system is 30dB. detrmine the ratio Express x(t)=4*cos(100*t-45)+ 2*cos(250*t+30) in terms of exponential functions Then Detrmine the phase angles(in degrees) of the two frequency components of x(t).
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