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Q. A 15-kVA, 2200:220-V, two-winding, single- phase transformer is connected as an autotrans- former to step up voltage from 220 V to 2420 V. Without exceeding the rated current of any winding, determine the kVA rating of the auto- transformer, the kVAtransformed by transformer action, and the kVA conducted.
Emitter bias: Figure: Emitter bias While a split supply (dual power supply) is accessible, this biasing circuit is the very much effective, and gives zero bias vo
i need to rewrite 24 pages of engineering research.
Q. Consider an RL series circuit excited by (a) v(t) = 20e -2t V, and (b) v(t) = 20 V. Determine the forced component of the voltage across the inductor for R = 2 and L = 2H.
Construct a full wave bridge rectifier circuit and connect it to the transformer output. What is the Output Voltage and Frequency?
Let both coherent ASK and coherent PSK systems transmit the same average energy per bit interval and operate on the same channel such that E b /N 0 = 18. Determine the bit-error p
Reverse Recovery Characteristics At the end of forward conduction in diode reverse current flows for a short time. The device doesn't attain its full blocking capabili
Explain effect of frequency of applied electric field. If an external electric field is applied, the distance among charges that is related to chemical bonding keeps constant i
Q What is Dual Tone Multi Frequency? Dual Tone Multi Frequency (DTMF) was first introduced in 1963 with 10 buttons in Western Electric 1500 -type telephones. DTMF was originall
Mutual inductance and coefficient of coupling: The equivalent inductance of two series connected coil (with mutual inductance among them) is 0.8 or 0.2 Henry based on the rela
a) A 230 V/25V, 50 HZ transformer with a rated primary current of 1,2 Amps is used to supply a number of 25 V, 30 Watt halogen light bulbs. Assuming an ideal transformer and tha
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