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Consider the circuit of Figure 7-16:
a. Find the total circuit resistance, RT.
b. Determine the current IT through the voltage sources.
c. Solve for the currents I1 and I2.
d. Calculate the voltage Vab.
Which transistor bias circuit arrangement provides good Q-point stability, but requires both positive and negative supply voltages.
Describe what precautions you will take in designing the analog front end of the instrument before you perform the sampling for DSProcesing. Justify your claims by using engineering arguments.
design a PCM system that converts an analog signal to digital signal. specify the sampling frequency and the number of quantization levels you pick. the signal to quantization noise ratio must be higher than 57 dB.
Consider a bank of three single-phase two-winding transformer whose high-voltage terminals are connected to a three-phase, 13.8 kV feeder. The low-voltage terminals are connected to a three-phase substation load rated 2.4 MVA and 2.3 kV.
when an AC source is connected accross a 12.0 resistor,the rms current in the resistor is 8.00 A find (a) the rms voltage accross the resistor,(b) the peak voltage of the source , (c) the maximum current in the resistor
design and construct a circuit for a cookie vending machine. The machine sells cookie for 75 Yen each. Assume that there are only 25, 50, and 100 Yen coins. Three different types of coins can be denoted by three different switches on the board, re..
what happens when the electrical motor runs on different frequency from the designed for ex: an electrical motor is designed to run on 50 Hz frequency but the supply provided on 60 Hz , then what will be the consequences?
Desired D.C. Output : 10 V Load Variation: 0.3 kilo-ohms - 10 kilo-ohms Ripple Factor: Less than 0.1% for 2 kilo-ohms load Load Regulation: Better than 3 mV for a 1 mA change in load current
Message signal m(t) = 0.6sin(27r3000t + pi/9) For a carrier signal with amplitude Ac = 4,fc = 40MHz, What is the signal bandwidth if we use AM with ka = 0.7 DSB-SC FM with kf = 5000 - HZ/V
A Zener diode specified as follows: VZ=6.8V at IZ=5mA, rZ=20Ω,IZK=0.2mA. The Zener is operated in a regulatorcircuit having a 9V ± 5% supply and a load varying from 2mAto 10mA. Find the value of R for which the minimum Zener current is 21ZK.
The current is the flow of electrons through conductor ,and voltage is the force that exerted on electrons to flow through the conductor, then why in many electric circuit the voltage is very high while current is less or vice-versa.
Calculate the length and the distance coved by the lightening arrestor to be installed above 20 feet height industrial building.
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