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A full-wave rectifier circuit having centre-tapped transformer has 500 turns in its primary winding, 25 turns from one end of the secondary winding to the centre tap and 20 turns from the other end of secondary winding to the centre tap. Assume both the diodes have V?=0 V and dynamic resistance rd = 1 Ohm. An ac supply of 230 V (rms), 50 Hz is fed to the primary and the rectifier supplies a full-load dc current of 500 mA. Determine
a. The dc output voltage at full load
b. The percentage load regulation and
c. The rms voltage across the full load.
A function must be defined or declared above the locations in the source code file from where it is called. We declare a function by writing a function declaration (which is a statement so it ends with a semicolon).
An altimeter can measure 0-100m; using a signal conditioner, this high position is distributed over a voltage range of 0-5V. If an ADC covering the same voltage range outputs 1000 0000, what is the distance measured
A 5 KVA 480/120 V single phase transformer is to be used as an autotransformer to transform a 600 V source to a 480 V supply. As a single phase transformer delivering rated load at 0.8 PF Lag its efficiency.
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In a binary digital communications systems, the bit energy required at the receiver input terminals is 50x10^-18 JOther parameters are as follows: Gt(dB)=24 dB Gr(dB)= 26 dB f= 10GHZ d=40,000 km
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a) What are the FIVE requirements for synchronizing the alternator tot he grid b) What should happen once the synchronous alternator is synchronized At that very instant, what should happen if the above five conditions are met
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