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A 15-0-15 V (rms) ideal transformer is used with a full wave rectifier circuit with diodes having forward drop of 1V. The load is a resistance of 100Ω and a capacitor of 10000μF is used as a filter across the load resistance. Calculate the dc load current and the voltage.
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
The low-voltage winding of a transformer has 200 turns, and the high-voltage coil has 11,000 turns. The transformer is operated as a step-down transformer, and 13.2KVolts is impressed on the primary side.
Using the graph of BER vs CNR for BPSK, estimate the BER in clear air and in the specified rain conditions when no error correction is used, and when convolutional encoding with k = 7 is applied to the transmission. The bit rate is the same in eac..
1.A shunt-connected DC motor operates at its rated terminal voltage. Its no-load speed is200 radians/second. At its rated torque of 500 Nm, its speed is 180 radian/second. Themotor is used to directly drive a load whose load torque TL depends on its ..
Using a computer program in excel plot the electron concentration of silicon doped with 1×1013 cm-3 phosphorus as a function of temperature. Use a temperature range from 300K to 800K. Assume that Nc, Nv, and Eg are temperature-independent
The power dissipated in the resistor R0 is 89 W when connected to a 10V source. Find the total dissipated power if 3 resistors identical to R0 are connected in series to a 10V source.
A load operating at 6400 Vrms draws 56 A at a PF of0.812 lagging. Find: (a) the peak current in amperes (b) the instantaneous power at t=2.5 ms assuming an operating frequency of 60 Hz
Suppose you have a silicon wafer containing a p++n junction. Design the doping level on the n-side so that the reverse break down voltage is 45 V.
The column line parasitics are 1 Ohm/bit and 12 fF/bit. Determine the minimum number of repeaters which must be inserted into the row lines such that the overall access line will be reduced to less than 0.2ns.Consider a DRAM with 2^X bits. Rw = 65 ..
What are the difference betwen those circuits ? (MCB/MCCB/ ELCB /RCBO/ RCCB)
A stun gun or TASER is designed to put out a few seconds worth of electric pulses that impress a voltage of about 1200 V across the human body. This results in an average current of approximately 3 mA into a human body.
The network is used for voice communications. Is it possible for one mobile unit to connect to another mobile unit directly? What advantage is there in connecting through the hub?
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