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1. Consider three equally spaced sources of strength m placed at (x, y) = ( a, 0),(0, 0), and (a, 0). Sketch the resulting streamline pattern. Are there any stagnation points?
2. Sketch the streamlines and potential lines of the flow due to a line source of at (a, 0) plus an equivalent sink at (a, 0).
The O.C and S.C test data are given below for a single phase, 5 kVA, 200V/400V, 50Hz transformer. O.C test from LV side:200V 1.25A 150WS.C test from HV side:20VV 12.5A 175W
What is the magnitude and direction of the electric field along the axis of the ring?
A coil made of 150 turns of copper wire wounded ona cylindrical coil . If that means radius of the turns in 6.5mm and the diameter of the wire is 0.4mm, calculate the resistance of the coil.
Heat is removed from the inside surface at a uniform flux Use a simplified radiation model and write the heat equation and boundary conditions for one-dimensional steady state conduction.
Two machines and a lighting load are connected in parallel to a 220 V, 60 Hz line. The first machine uses 40 kW of power at 0.81 power factor lagging. The second machine uses 27 kVA at 0.93 power factor leading. The lighting load consumes 13 kW.
Add the RGB, yellow, Blue, and Green LEDS to create a separate LED or joint LEDs (RGB LED) and resistors to light for each note when the pushbutton is pressed.
A common-source amplifier utilizes a MOSFET for which VA=12.5 V and is operated at VOV = 0.25V. What is the value of its (gm ro). The amplifier feeds a load resistance RL = 15K ohm. The designer selects RD=2 RL.
Group and phase velocity in uniaxial crystals: a. Derive an expression for the group velocity of the extraordinary wave in a uniaxial crystal as a function of the polar angle of the propagation vector.
Show that the power carried by the AM sidebands is equal to that carried by the PM sidebands and equal to half of the power of n(t).
an initially charged capacitence discharges through a resistance. At one time constant, what percentage of the initial voltage remains what percentage of the initial stored energy remains
How much field current would be required to make the motor operate at 0.80 PF leading?
A 480 V(rms) source supplies 3 parallel loads: load 1: P1 = 25kW and Q1 = 25 kVAr, no power factor given, no Resistance(R1) given load 2: S2 = 15kVA at power factor 0.8 leading,P2 and Q2 not given and no R2 given
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