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At a frequency of 60 Hz, the core loss of a certain coil with an iron core is 1.8 W, and at a frequency of 120 Hz, it is 5.6 W. The peak flux density is the same for both cases. Determine the power loss due to hysteresis and that due to eddy currents for 60-Hz operation.
A three phase star connected load is connected across a three phase balanced supply system. Obtain a set of equations relating to symmetrical components of theline and phase voltages.
The output-port(drain-source terminals) of an n-channel depletetion -mode MOSFET with parameters K=0.25mA/V^2 and Vtr= - 2Vis connected to a Thevenin circuit consisting of Vdd=7V andRd=1.5kOhm.
Which of the vectors best represents the direction of the magnetic field created at point K (see the diagram in the problem introduction) by wire 1 alone?
Look at the resistor illustrated. Based on your knowledge of the resistor color code, what are the resistance value and tolerance of this resistor?
Findthe following for an input of 120 VAC(RMS), 60 hertz, given a 17:1 stepdown transformer, and a full-wave bridge rectifier. Rload is 120 ohms. Round off to the nearest tenths place.
Design the power requirements for load 3 so that the source voltage and the current drawn from the source are in phase. Draw the power triangle for load 3 and label all sides and the power factor angle with appropiate numerical values.
From what I've researched about the 741 operational amplifier, the output load resistance should be greater than 2 kohms so the output voltage can swing within 2 volts of the supply voltage. Is there a limit as to how high the output resistance sh..
A coil of 10H inductance and 5Ω resistance is connected in parallel with a 20Ω resistor across a 100-V DC supply which is suddenly disconnected. Find The voltage across the 20Ω resistor initially and after 0.3 sec.
Derivation of J-V relationship for p-n junction Steps: a) Write the excess electron concentration on the p-side as a function of position b) Write the excess hole concentration on the n-side as a function of position
The operational amplifier below has a specified input-bias current IIBup to 250nA and a maximal input-offset voltage VOS of ±3mV. It has a unity-gain frequency (gain-bandwidth product) of 1MHz.
Assume a block size of 256 bytes, a clock rate of 1GHz, an L1 miss rate of 2%, and that main memory takes 100ns of overload and then delivers 16 bytes per clock cycle. What is the AMAT
A 150kVA, 2080/208V, 60Hz, Y/Y connected, three-phase, step-down transformer consists of three identical single-phase transformers. Each transformer has the following parameter values: Rl = 0.45-ohm, Xl = 2.2-ohm , R2 = 4.5m-ohm
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