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If 50.0 cm of copper wire (diameter 1.00 mm) is formed into a single circular loop and placed perpendicular to the uniform magnetic field that isincreasing at a constant rate of 10.0 mT/s, at what rate is thermal energy generated in that loop.
A first-order circuit, having a gain of 10 at dc and a gain of 1 at infinite frequency, has its pole at 20 kHz. Find its transfer function.
A penstock is used to bring water from behind a dam into a turbine. the effective head is 20 m and the flow rate of water is 50m^3/s. Compute the power of the water exiting the penstock.
The power transferred across the air gap of a two-pole induction motor is 24kW. If the electromagnetic power developed is 22kW, find the slip. Calculate the output torque, if the rotational loss at this slip is 400W
The output response for a system is given as Vo(t) = A(1-e^-at)sin(ωt). Is this a proper representation for an output response given that it contains a sinusoidal term? Fully explain your answer.
What do the letters PCM and PAM stand for? Why is PCM transmission preferred over PAM transmission? Give at least two reasons in your answer.
A diode is measured to pass 0.31mA at 0.70V forward bias, and 1.12mA at 0.75 V forward bias. What are its n and Is. Assume that kT/q=0.026V. For extra credit, if the diode passes 4mA at 0.9V forward bias, what is its forward parasitic resistance
In n-channel JFET, Ohmic region is separated from Saturation region by VP so called Pich-off voltage or VGS(OFF). What is the value if IDand VGS at this location and how we can calculate the value of VP from ID and VGS
A 10 kVA 1100:120 V single phase transformer has the following circuit parameters referred to the primary. Rc = 80 k Ohm, Xm = 10 k Ohm, Re = 20 Ohm, Xe = 50 Ohm. If the secondary load impedance is 5
The parameters of a certain transmission line operating at ω = 6×108 rad/s are L = 0.35μH/m, C = 40 pF/m, G = 75 μS/m, and R = 17 Ω/m => α=0.0943 Np/m, β=2.2467 rad/m, λ=2.7966 m, Z0 =93.623-j3.6368
The transfer equation is V_out/V_in. if you factor the second order polynomial what are the two first order polynomials. How do these compare with the first order filter. Has the -3db changed.
A series RLC circuit connected to a 100-V 60-Hz source draws a current of 2.5 A. The measured power factor for the circuit is 0.7 leading, and the inductive reactive power is 300VAr. Calculate the resistance, inductance and capacitance.
Consider an RLC circuit with R = 5 Ohms, L= ½ H, C= 2/9 F and input voltage e(t) = exp(-t/2)a. Starting from KVL show that the DE for the voltage across R is given by: v'' + 10 v' + 9 v = -5 exp(-0.5 t) b. Find vc in terms of the arbitrary constants ..
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