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A circuit is required to provide an adjustable voltage. The specifications for the circuit are:• It should be possible to adjust the voltage to any value between -5 V and +5 V• The load current should be negligible• The circuit should use as little power as possible The available components are:• Potentiometers: resistance values of 10 kO, 20 kO and 50 kO• A large assortment of standard resistors (2%) having values between 10 O and 1 MO (check the list of standard values published in the course webpage).• Two power supplies (voltage sources), one 12 V supply and one -12 V, both rated at 100 mA (maximum)Hints:a- The adjustability of the potentiometer can be used to obtain an adjustable output voltageb- Both power supplies must be used so that the adjustable voltage can have both positive and negative valuesc- The terminals of the potentiometer cannot be connected directly to the power supplies because the maximum allowed voltage is ± 5V
If there is two AC currents in a circuit and both have different angular velocity, is there a way to analyze the circuit by finding an equivalent angular velocity between the two currents and superposition can't be used
In the differential amplifier shown in the schematic, R1 = R2 = 10 k ohm; R3 = R4 = 100 k ohm. Assume the ECG voltage at V1 = 100 mV, and the ECG voltage at V2 = - 100 mV. There is a power line interference of 200 mV at both input sites.
The Signal power to noise power ratio is an important measure of the transmission quality of any channel. If at the receiver there is a 12 dB signal to noise ratio and the received signal power is 50 micro W then calculate the received noise power..
Develop a Sensor Circuit using commodity component and design a wireless sensor node using commodity wireless modules
Assume a buck converter contains a synchronous rectifier. Does it operate in the discontinous conduction mode at light load Why What does the inductor current waveform look like
A system initially consists of 3 lbm of a substance having specific internal energy u of 20 Btu/lbm, and 6 lbm of the same substance having an internal energy of 30 Btu/lbm. 150 Btu of energy is transferred as heat to this system
a sample of gas composed of 5.7 grams of carbon dioxide and 3.6 grams of neon in a container with volume 5.7L and temp 67 degrees Celsius. what is the pressure of the gas mixture
a. Determine the voltage regulation, the load resistance, the armature resistance, and the developed torque at full load. b. The speed of the generator is decreased to 1200 rpm, and the load resistance is unchanged.
The electric motors unmanned drones use transformers to produce sufficient current to move the flight surfaces. Due to the weight restrictions of the vehicle, the transformers use a ceramic rather than iron, the ceramic has a permeability of mu = 4..
Point A is at an electrostatic potential of +1V relative to point B in a vacumm. An electron initially at rest at B moves to A. What energy (in J and eV) does the electron have at A What is its velocity
Compute the power absorbed by an element in a circuit, but for a simple sinusoidal current i = sin(2πt/T) where T = 1 s.
1.explain what is the instantaneous values of AC AND phase shift angle are. Explain what the effective and average values of AC are. How are they related with amplitude. 2.Draw a calculated conductivities triangle for the circuit with a parallel co..
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