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A type of transformer known as an autotransformer is shown in Figure.
a. Assuming that all of the flux links all of the turns, determine the relationship between v1, v2, and the number of turns.
b. Assuming that the total mmf required to establish the flux is zero,find the relationship between the currents i1 and i2.
a voltage v(t) = 24cos(2000t-45degrees) is applied across a parallel connection of a 5kΩ resistor and 100nF capacitor. find the steady state current ic(t) through the capacitor and ir(t) through the resistor.
a 10 pole 25 cycle alternator directly coupled to, and is driven by a 60 cycle synchronous motor. how many poles are there in the latter
Single Phase Circuit, A resistor and a capacitor are connected in series across a 150 V a.c supply. When the frequency is 40 Hz the current is 5 A
Design of an Operational Amplifier Using PSpice - Differential input impedance greater than 100 kQ and to obtain a set of output characteristics for the two transistor types to be used in this experiment.
You are installing a new spark plug in your car, and the manual specifies that it be tightened to a torque that has a magnitude of 84 N·m. Using the data , determine the magnitude F of the force that you must exert on the wrench.
A farmer measures the perimeter of a rectangualr field. The length of each long side of the rectangle is found to be 38.44 m, and thelength of each short side is found to be 19.5 m. What is theperimeter of the field
Design an N-input mux from N/2 input Mux. Use this to describe a design that takes log N gate delays and O(N) transisitors.
A 5-volt intelligence amplitude causes the frequency to change to ± 25 kHz. What will be the carrier frequency variation corresponding to an intelligence amplitude of 10 volts.
A MOSFET differential amplifier such as that is biased with a current source I=200uA. The transistors have W/L=25, k'n=200uA/V^2, VA=200 V, Cgs=40 fF, Cgd=5 fF, and Cdb=5 fF. The drain resistors are 20k-ohm each.
an amplifier has three amplification stages and a 1-dB attenuator in cascade. Assuming that all the impedances are properly matched, what is the overall gain if the amplification factors are 5, 10, and 6 dB
Design a low cost white LED based emergency light that turns on when the main supply fails, and turns off when the main supply resumes. The circuit must have its own battery charger. When the battery is fully charged, charging stops automatically.
A 1GB DRAM uses 4-bit data and has equal-length row and column addresses. How many address pins does the DRAM have?
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