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A transformer has a primary voltage of 240 volts and a secondary voltage of 60 volts. It has a power rating of 7.5 VA. What is the rated current of the secondary?
Charges +Q and +3Q are separted by a distance 2m. A third charge is located such that the electrostatic system is in equilibrium. Find the location and kthe value of the third charge in terms of Q.
Assume vX = vY = vZ = logic 1 and assume two similar type load circuits are connected to the output. The transistor Q2 is biased in saturation with iB2 = 0.1 mA and iC2 = 0.2 mA. Determine the values of RB1 and RC1.
If the voltage on the secondary side is 13.8 kV and the power supplied is 4000 kW at 0.8 PF lagging, find the voltage regulation of the transformer. Find its efficiency.
The addition of impurities is known as doping. When elements with a valance number of 5 (pentavalent impurity) are added, the silicon or germanium is referred to as N-type; if elements with a valance number of 3 (trivalent impurity) are added, the si..
Consider cold windy breeze parallel to your face, with an average facial dimension along the flow of 5 cm. The air velocity is 1 m/s (corresponding to 2.2 miles per hour). Assume laminar flow. 1) Calculate the thickness of the velocity boundary la..
What are the names of the three regions of the bipolar junction transistor? Why is there a thin region of one material type
Show that the electric field intensity is perpendicular to the two dotted lines shown (at 45°)
With respect to sinusoidal signals, explain the difference between the way we normally define "amplitude" and the "amplitude" measurement on an oscilloscope. Also, How does the amplitude setting on a function generator relate to these
Incremental Update. Typically, after every hop at least one packet header field (e.g., a packet's time-to-live field) needs to be overwritten. Because the checksum is a simple complement of a 1s complement sum, it turns out that when, for instance..
Derive the closed-form expression for the impulse response h(n), by iteration, of the system governed by the difference equation, with input x(n) and output y(n). List the values of the impulse response h(n) at n = 0, 1, 2, 3, 4, 5.
When four identical hotplates on a cooker are all in use, the current drawn from a 240 V supply is 33 A.
Suppose a clocked synchronous system, in which registers have setup time of 100ps and clock-to-output delay of 200ps, has a timing constraint that the clock frequency be 800MHz. Propagation delays through combinational elements in the datapath and..
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