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Two capacitors, of 4 μF and 6 μF are connected in series across a 250 V supply.
(a) Calculate the charge and p.d. across each.
(b) The capacitors are now disconnected from the supply and reconnected in parallel with each other, with terminals of similar polarity being joined together. Calculate the p.d. and charge for each.
If the voltage across a capacitor is a square wave, predict the resulting current waveform (draw the voltage and current waveforms). Repeat the process when the voltage across the capacitor is a sine wave.
find the overall noise figure of the system.
There needs to be certain measures put in place as a technology or application is being developed in order to protect the intellectual property to maximize the lifecycle of a product and return on investment. Describe in detail at least three methods..
Problem 1. Explain the purpose of the capacitor in the microphone circuit.
A series circuit has a resistance of 1 ohm and an inductance of 1 ohm. The voltage across the circuit has an amplitude of 15 volts and a phase shift of 30 degrees. What is the current of the circuit in frequency and time domain
What is Intermediate switch , its construction and how it works?
determining whether the number divided evenly can be accomplished by determining if there is a remainder. Implement the program using a for loop for the calculations. Additional hint: a break in the loop can make the program simpler, though it is ..
Draw a logic diagram of simple logic that converts the control variables CA, CB, and CC as inputs to outputs that are the SELECT inputs for the multiplexers and LOAD signals for the registers.
A 3-phase, 440VAC, 6-pole, 60Hz, wye connected induction motor takes 30KVA at .8 power factor lagging, and runs at a slip of 3.5% at full load. The stator copper losses are 500W, and the rotational losses are 350W.
The dynamic resistance for rectifying junctions is given by Rdyn =(dI/dV)-1. For a junction diode having reverse saturation current I0=10-9A, Calculate Rdyn when the diode is biased at V=VF=0.7V, then V=VR=0.5V.
The motor details are as follows: 1 hp, 10V, 2500 rpm, 78.5 % efficiency, Ra=.01 O, La=.002 H, Kb= .03819 V/rad/sec. The chopper is one quadrant, and the on-state voltage drop across the device is assumed to be 1V regardless of the current variati..
The amplifier is connected to the handset antenna which has an impedance of 35 + j10 at one unspecified operating frequency. Find the inductive reactance and capacitive reactance needed to match the transmitter output to the antenna
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